21739536

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 240

約数和(自身を含む): 79161600

約数和(自身を除く): 57422064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 49, 52, 54, 56, 63, 72, 78, 79, 84, 91, 98, 104, 108, 112, 117, 126, 144, 147, 156, 158, 168, 182, 189, 196, 208, 216, 234, 237, 252, 273, 294, 312, 316, 336, 351, 364, 378, 392, 432, 441, 468, 474, 504, 546, 553, 588, 624, 632, 637, 702, 711, 728, 756, 784, 819, 882, 936, 948, 1008, 1027, 1092, 1106, 1176, 1264, 1274, 1323, 1404, 1422, 1456, 1512, 1638, 1659, 1764, 1872, 1896, 1911, 2054, 2133, 2184, 2212, 2352, 2457, 2548, 2646, 2808, 2844, 3024, 3081, 3276, 3318, 3528, 3792, 3822, 3871, 4108, 4266, 4368, 4424, 4914, 4977, 5096, 5292, 5616, 5688, 5733, 6162, 6552, 6636, 7056, 7189, 7644, 7742, 8216, 8532, 8848, 9243, 9828, 9954, 10192, 10584, 11376, 11466, 11613, 12324, 13104, 13272, 14378, 14931, 15288, 15484, 16432, 17064, 17199, 18486, 19656, 19908, 21168, 21567, 22932, 23226, 24648, 26544, 27729, 28756, 29862, 30576, 30968, 34128, 34398, 34839, 36972, 39312, 39816, 43134, 45864, 46452, 49296, 50323, 55458, 57512, 59724, 61936, 64701, 68796, 69678, 73944, 79632, 86268, 91728, 92904, 100646, 104517, 110916, 115024, 119448, 129402, 137592, 139356, 147888, 150969, 172536, 185808, 194103, 201292, 209034, 221832, 238896, 258804, 275184, 278712, 301938, 345072, 388206, 402584, 418068, 443664, 452907, 517608, 557424, 603876, 776412, 805168, 836136, 905814, 1035216, 1207752, 1358721, 1552824, 1672272, 1811628, 2415504, 2717442, 3105648, 3623256, 5434884, 7246512, 10869768, 21739536]

約数ペア:

[(1, 21739536), (2, 10869768), (3, 7246512), (4, 5434884), (6, 3623256), (7, 3105648), (8, 2717442), (9, 2415504), (12, 1811628), (13, 1672272), (14, 1552824), (16, 1358721), (18, 1207752), (21, 1035216), (24, 905814), (26, 836136), (27, 805168), (28, 776412), (36, 603876), (39, 557424), (42, 517608), (48, 452907), (49, 443664), (52, 418068), (54, 402584), (56, 388206), (63, 345072), (72, 301938), (78, 278712), (79, 275184), (84, 258804), (91, 238896), (98, 221832), (104, 209034), (108, 201292), (112, 194103), (117, 185808), (126, 172536), (144, 150969), (147, 147888), (156, 139356), (158, 137592), (168, 129402), (182, 119448), (189, 115024), (196, 110916), (208, 104517), (216, 100646), (234, 92904), (237, 91728), (252, 86268), (273, 79632), (294, 73944), (312, 69678), (316, 68796), (336, 64701), (351, 61936), (364, 59724), (378, 57512), (392, 55458), (432, 50323), (441, 49296), (468, 46452), (474, 45864), (504, 43134), (546, 39816), (553, 39312), (588, 36972), (624, 34839), (632, 34398), (637, 34128), (702, 30968), (711, 30576), (728, 29862), (756, 28756), (784, 27729), (819, 26544), (882, 24648), (936, 23226), (948, 22932), (1008, 21567), (1027, 21168), (1092, 19908), (1106, 19656), (1176, 18486), (1264, 17199), (1274, 17064), (1323, 16432), (1404, 15484), (1422, 15288), (1456, 14931), (1512, 14378), (1638, 13272), (1659, 13104), (1764, 12324), (1872, 11613), (1896, 11466), (1911, 11376), (2054, 10584), (2133, 10192), (2184, 9954), (2212, 9828), (2352, 9243), (2457, 8848), (2548, 8532), (2646, 8216), (2808, 7742), (2844, 7644), (3024, 7189), (3081, 7056), (3276, 6636), (3318, 6552), (3528, 6162), (3792, 5733), (3822, 5688), (3871, 5616), (4108, 5292), (4266, 5096), (4368, 4977), (4424, 4914)]