21740459840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{56663}}^1$

素因数の和:56800

約数の個数: 112

約数和(自身を含む): 56994917760

約数和(自身を除く): 35254457920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 109, 110, 160, 176, 218, 220, 320, 352, 436, 440, 545, 704, 872, 880, 1090, 1199, 1744, 1760, 2180, 2398, 3488, 3520, 4360, 4796, 5995, 6976, 8720, 9592, 11990, 17440, 19184, 23980, 34880, 38368, 47960, 56663, 76736, 95920, 113326, 191840, 226652, 283315, 383680, 453304, 566630, 623293, 906608, 1133260, 1246586, 1813216, 2266520, 2493172, 3116465, 3626432, 4533040, 4986344, 6176267, 6232930, 9066080, 9972688, 12352534, 12465860, 18132160, 19945376, 24705068, 24931720, 30881335, 39890752, 49410136, 49863440, 61762670, 67938937, 98820272, 99726880, 123525340, 135877874, 197640544, 199453760, 247050680, 271755748, 339694685, 395281088, 494101360, 543511496, 679389370, 988202720, 1087022992, 1358778740, 1976405440, 2174045984, 2717557480, 4348091968, 5435114960, 10870229920, 21740459840]

約数ペア:

[(1, 21740459840), (2, 10870229920), (4, 5435114960), (5, 4348091968), (8, 2717557480), (10, 2174045984), (11, 1976405440), (16, 1358778740), (20, 1087022992), (22, 988202720), (32, 679389370), (40, 543511496), (44, 494101360), (55, 395281088), (64, 339694685), (80, 271755748), (88, 247050680), (109, 199453760), (110, 197640544), (160, 135877874), (176, 123525340), (218, 99726880), (220, 98820272), (320, 67938937), (352, 61762670), (436, 49863440), (440, 49410136), (545, 39890752), (704, 30881335), (872, 24931720), (880, 24705068), (1090, 19945376), (1199, 18132160), (1744, 12465860), (1760, 12352534), (2180, 9972688), (2398, 9066080), (3488, 6232930), (3520, 6176267), (4360, 4986344), (4796, 4533040), (5995, 3626432), (6976, 3116465), (8720, 2493172), (9592, 2266520), (11990, 1813216), (17440, 1246586), (19184, 1133260), (23980, 906608), (34880, 623293), (38368, 566630), (47960, 453304), (56663, 383680), (76736, 283315), (95920, 226652), (113326, 191840)]