21209898528

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{115613}}^1$

素因数の和:115656

約数の個数: 216

約数和(自身を含む): 75560917068

約数和(自身を除く): 54351018540

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 96, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 196, 208, 224, 234, 252, 273, 288, 294, 312, 336, 364, 392, 416, 441, 468, 504, 546, 588, 624, 637, 672, 728, 784, 819, 882, 936, 1008, 1092, 1176, 1248, 1274, 1456, 1568, 1638, 1764, 1872, 1911, 2016, 2184, 2352, 2548, 2912, 3276, 3528, 3744, 3822, 4368, 4704, 5096, 5733, 6552, 7056, 7644, 8736, 10192, 11466, 13104, 14112, 15288, 20384, 22932, 26208, 30576, 45864, 61152, 91728, 115613, 183456, 231226, 346839, 462452, 693678, 809291, 924904, 1040517, 1387356, 1502969, 1618582, 1849808, 2081034, 2427873, 2774712, 3005938, 3237164, 3699616, 4162068, 4508907, 4855746, 5549424, 5665037, 6011876, 6474328, 7283619, 8324136, 9017814, 9711492, 10520783, 11098848, 11330074, 12023752, 12948656, 13526721, 14567238, 16648272, 16995111, 18035628, 19422984, 21041566, 22660148, 24047504, 25897312, 27053442, 29134476, 31562349, 33296544, 33990222, 36071256, 38845968, 42083132, 45320296, 48095008, 50985333, 54106884, 58268952, 63124698, 67980444, 72142512, 73645481, 77691936, 84166264, 90640592, 94687047, 101970666, 108213768, 116537904, 126249396, 135960888, 144285024, 147290962, 168332528, 181281184, 189374094, 203941332, 216427536, 220936443, 233075808, 252498792, 271921776, 294581924, 336665056, 378748188, 407882664, 432855072, 441872886, 504997584, 543843552, 589163848, 662809329, 757496376, 815765328, 883745772, 1009995168, 1178327696, 1325618658, 1514992752, 1631530656, 1767491544, 2356655392, 2651237316, 3029985504, 3534983088, 5302474632, 7069966176, 10604949264, 21209898528]

約数ペア:

[(1, 21209898528), (2, 10604949264), (3, 7069966176), (4, 5302474632), (6, 3534983088), (7, 3029985504), (8, 2651237316), (9, 2356655392), (12, 1767491544), (13, 1631530656), (14, 1514992752), (16, 1325618658), (18, 1178327696), (21, 1009995168), (24, 883745772), (26, 815765328), (28, 757496376), (32, 662809329), (36, 589163848), (39, 543843552), (42, 504997584), (48, 441872886), (49, 432855072), (52, 407882664), (56, 378748188), (63, 336665056), (72, 294581924), (78, 271921776), (84, 252498792), (91, 233075808), (96, 220936443), (98, 216427536), (104, 203941332), (112, 189374094), (117, 181281184), (126, 168332528), (144, 147290962), (147, 144285024), (156, 135960888), (168, 126249396), (182, 116537904), (196, 108213768), (208, 101970666), (224, 94687047), (234, 90640592), (252, 84166264), (273, 77691936), (288, 73645481), (294, 72142512), (312, 67980444), (336, 63124698), (364, 58268952), (392, 54106884), (416, 50985333), (441, 48095008), (468, 45320296), (504, 42083132), (546, 38845968), (588, 36071256), (624, 33990222), (637, 33296544), (672, 31562349), (728, 29134476), (784, 27053442), (819, 25897312), (882, 24047504), (936, 22660148), (1008, 21041566), (1092, 19422984), (1176, 18035628), (1248, 16995111), (1274, 16648272), (1456, 14567238), (1568, 13526721), (1638, 12948656), (1764, 12023752), (1872, 11330074), (1911, 11098848), (2016, 10520783), (2184, 9711492), (2352, 9017814), (2548, 8324136), (2912, 7283619), (3276, 6474328), (3528, 6011876), (3744, 5665037), (3822, 5549424), (4368, 4855746), (4704, 4508907), (5096, 4162068), (5733, 3699616), (6552, 3237164), (7056, 3005938), (7644, 2774712), (8736, 2427873), (10192, 2081034), (11466, 1849808), (13104, 1618582), (14112, 1502969), (15288, 1387356), (20384, 1040517), (22932, 924904), (26208, 809291), (30576, 693678), (45864, 462452), (61152, 346839), (91728, 231226), (115613, 183456)]