21720292776

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{3061}}^1$

素因数の和:3134

約数の個数: 384

約数和(自身を含む): 78396998400

約数和(自身を除く): 56676705624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 24, 26, 27, 28, 36, 38, 39, 42, 52, 54, 56, 57, 63, 72, 76, 78, 84, 91, 104, 108, 114, 117, 126, 133, 152, 156, 168, 171, 182, 189, 216, 228, 234, 247, 252, 266, 273, 312, 342, 351, 361, 364, 378, 399, 456, 468, 494, 504, 513, 532, 546, 684, 702, 722, 728, 741, 756, 798, 819, 936, 988, 1026, 1064, 1083, 1092, 1197, 1368, 1404, 1444, 1482, 1512, 1596, 1638, 1729, 1976, 2052, 2166, 2184, 2223, 2394, 2457, 2527, 2808, 2888, 2964, 3061, 3192, 3249, 3276, 3458, 3591, 4104, 4332, 4446, 4693, 4788, 4914, 5054, 5187, 5928, 6122, 6498, 6552, 6669, 6916, 7182, 7581, 8664, 8892, 9183, 9386, 9576, 9747, 9828, 10108, 10374, 12244, 12996, 13338, 13832, 14079, 14364, 15162, 15561, 17784, 18366, 18772, 19494, 19656, 20216, 20748, 21427, 22743, 24488, 25992, 26676, 27549, 28158, 28728, 30324, 31122, 32851, 36732, 37544, 38988, 39793, 41496, 42237, 42854, 45486, 46683, 53352, 55098, 56316, 58159, 60648, 62244, 64281, 65702, 68229, 73464, 77976, 79586, 82647, 84474, 85708, 90972, 93366, 98553, 110196, 112632, 116318, 119379, 124488, 126711, 128562, 131404, 136458, 159172, 165294, 168948, 171416, 174477, 181944, 186732, 192843, 197106, 220392, 232636, 238758, 253422, 257124, 262808, 272916, 278551, 295659, 318344, 330588, 337896, 348954, 358137, 373464, 385686, 394212, 407113, 465272, 477516, 506844, 514248, 523431, 545832, 557102, 578529, 591318, 661176, 697908, 716274, 756067, 771372, 788424, 814226, 835653, 886977, 955032, 1013688, 1046862, 1074411, 1105021, 1114204, 1157058, 1182636, 1221339, 1395816, 1432548, 1512134, 1542744, 1570293, 1628452, 1671306, 1773954, 2093724, 2148822, 2210042, 2228408, 2268201, 2314116, 2365272, 2442678, 2506959, 2865096, 3024268, 3140586, 3256904, 3315063, 3342612, 3547908, 3664017, 4187448, 4297644, 4420084, 4536402, 4628232, 4885356, 5013918, 5292469, 6048536, 6281172, 6630126, 6685224, 6804603, 7095816, 7328034, 7520877, 7735147, 8595288, 8840168, 9072804, 9770712, 9945189, 10027836, 10584938, 10992051, 12562344, 13260252, 13609206, 14365273, 14656068, 15041754, 15470294, 15877407, 18145608, 19890378, 20055672, 20413809, 21169876, 21984102, 23205441, 26520504, 27218412, 28730546, 29312136, 29835567, 30083508, 30940588, 31754814, 39780756, 40827618, 42339752, 43095819, 43968204, 46410882, 47632221, 54436824, 57461092, 59671134, 60167016, 61881176, 63509628, 69616323, 79561512, 81655236, 86191638, 87936408, 92821764, 95264442, 100556911, 114922184, 119342268, 127019256, 129287457, 139232646, 142896663, 163310472, 172383276, 185643528, 190528884, 201113822, 208848969, 238684536, 258574914, 278465292, 285793326, 301670733, 344766552, 381057768, 387862371, 402227644, 417697938, 517149828, 556930584, 571586652, 603341466, 775724742, 804455288, 835395876, 905012199, 1034299656, 1143173304, 1206682932, 1551449484, 1670791752, 1810024398, 2413365864, 2715036597, 3102898968, 3620048796, 5430073194, 7240097592, 10860146388, 21720292776]

約数ペア:

[(1, 21720292776), (2, 10860146388), (3, 7240097592), (4, 5430073194), (6, 3620048796), (7, 3102898968), (8, 2715036597), (9, 2413365864), (12, 1810024398), (13, 1670791752), (14, 1551449484), (18, 1206682932), (19, 1143173304), (21, 1034299656), (24, 905012199), (26, 835395876), (27, 804455288), (28, 775724742), (36, 603341466), (38, 571586652), (39, 556930584), (42, 517149828), (52, 417697938), (54, 402227644), (56, 387862371), (57, 381057768), (63, 344766552), (72, 301670733), (76, 285793326), (78, 278465292), (84, 258574914), (91, 238684536), (104, 208848969), (108, 201113822), (114, 190528884), (117, 185643528), (126, 172383276), (133, 163310472), (152, 142896663), (156, 139232646), (168, 129287457), (171, 127019256), (182, 119342268), (189, 114922184), (216, 100556911), (228, 95264442), (234, 92821764), (247, 87936408), (252, 86191638), (266, 81655236), (273, 79561512), (312, 69616323), (342, 63509628), (351, 61881176), (361, 60167016), (364, 59671134), (378, 57461092), (399, 54436824), (456, 47632221), (468, 46410882), (494, 43968204), (504, 43095819), (513, 42339752), (532, 40827618), (546, 39780756), (684, 31754814), (702, 30940588), (722, 30083508), (728, 29835567), (741, 29312136), (756, 28730546), (798, 27218412), (819, 26520504), (936, 23205441), (988, 21984102), (1026, 21169876), (1064, 20413809), (1083, 20055672), (1092, 19890378), (1197, 18145608), (1368, 15877407), (1404, 15470294), (1444, 15041754), (1482, 14656068), (1512, 14365273), (1596, 13609206), (1638, 13260252), (1729, 12562344), (1976, 10992051), (2052, 10584938), (2166, 10027836), (2184, 9945189), (2223, 9770712), (2394, 9072804), (2457, 8840168), (2527, 8595288), (2808, 7735147), (2888, 7520877), (2964, 7328034), (3061, 7095816), (3192, 6804603), (3249, 6685224), (3276, 6630126), (3458, 6281172), (3591, 6048536), (4104, 5292469), (4332, 5013918), (4446, 4885356), (4693, 4628232), (4788, 4536402), (4914, 4420084), (5054, 4297644), (5187, 4187448), (5928, 3664017), (6122, 3547908), (6498, 3342612), (6552, 3315063), (6669, 3256904), (6916, 3140586), (7182, 3024268), (7581, 2865096), (8664, 2506959), (8892, 2442678), (9183, 2365272), (9386, 2314116), (9576, 2268201), (9747, 2228408), (9828, 2210042), (10108, 2148822), (10374, 2093724), (12244, 1773954), (12996, 1671306), (13338, 1628452), (13832, 1570293), (14079, 1542744), (14364, 1512134), (15162, 1432548), (15561, 1395816), (17784, 1221339), (18366, 1182636), (18772, 1157058), (19494, 1114204), (19656, 1105021), (20216, 1074411), (20748, 1046862), (21427, 1013688), (22743, 955032), (24488, 886977), (25992, 835653), (26676, 814226), (27549, 788424), (28158, 771372), (28728, 756067), (30324, 716274), (31122, 697908), (32851, 661176), (36732, 591318), (37544, 578529), (38988, 557102), (39793, 545832), (41496, 523431), (42237, 514248), (42854, 506844), (45486, 477516), (46683, 465272), (53352, 407113), (55098, 394212), (56316, 385686), (58159, 373464), (60648, 358137), (62244, 348954), (64281, 337896), (65702, 330588), (68229, 318344), (73464, 295659), (77976, 278551), (79586, 272916), (82647, 262808), (84474, 257124), (85708, 253422), (90972, 238758), (93366, 232636), (98553, 220392), (110196, 197106), (112632, 192843), (116318, 186732), (119379, 181944), (124488, 174477), (126711, 171416), (128562, 168948), (131404, 165294), (136458, 159172)]