21431501568

素因数分解:

$2^8\times 3^2\times {\mathrm{23}}^1\times {\mathrm{404429}}^1$

素因数の和:404474

約数の個数: 108

約数和(自身を含む): 64479083760

約数和(自身を除く): 43047582192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 128, 138, 144, 184, 192, 207, 256, 276, 288, 368, 384, 414, 552, 576, 736, 768, 828, 1104, 1152, 1472, 1656, 2208, 2304, 2944, 3312, 4416, 5888, 6624, 8832, 13248, 17664, 26496, 52992, 404429, 808858, 1213287, 1617716, 2426574, 3235432, 3639861, 4853148, 6470864, 7279722, 9301867, 9706296, 12941728, 14559444, 18603734, 19412592, 25883456, 27905601, 29118888, 37207468, 38825184, 51766912, 55811202, 58237776, 74414936, 77650368, 83716803, 103533824, 111622404, 116475552, 148829872, 155300736, 167433606, 223244808, 232951104, 297659744, 310601472, 334867212, 446489616, 465902208, 595319488, 669734424, 892979232, 931804416, 1190638976, 1339468848, 1785958464, 2381277952, 2678937696, 3571916928, 5357875392, 7143833856, 10715750784, 21431501568]

約数ペア:

[(1, 21431501568), (2, 10715750784), (3, 7143833856), (4, 5357875392), (6, 3571916928), (8, 2678937696), (9, 2381277952), (12, 1785958464), (16, 1339468848), (18, 1190638976), (23, 931804416), (24, 892979232), (32, 669734424), (36, 595319488), (46, 465902208), (48, 446489616), (64, 334867212), (69, 310601472), (72, 297659744), (92, 232951104), (96, 223244808), (128, 167433606), (138, 155300736), (144, 148829872), (184, 116475552), (192, 111622404), (207, 103533824), (256, 83716803), (276, 77650368), (288, 74414936), (368, 58237776), (384, 55811202), (414, 51766912), (552, 38825184), (576, 37207468), (736, 29118888), (768, 27905601), (828, 25883456), (1104, 19412592), (1152, 18603734), (1472, 14559444), (1656, 12941728), (2208, 9706296), (2304, 9301867), (2944, 7279722), (3312, 6470864), (4416, 4853148), (5888, 3639861), (6624, 3235432), (8832, 2426574), (13248, 1617716), (17664, 1213287), (26496, 808858), (52992, 404429)]