21368710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2459}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 21140090

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 2459, 4345, 4918, 8690, 12295, 24590, 27049, 54098, 135245, 194261, 270490, 388522, 971305, 1942610, 2136871, 4273742, 10684355, 21368710]

約数ペア:

[(1, 21368710), (2, 10684355), (5, 4273742), (10, 2136871), (11, 1942610), (22, 971305), (55, 388522), (79, 270490), (110, 194261), (158, 135245), (395, 54098), (790, 27049), (869, 24590), (1738, 12295), (2459, 8690), (4345, 4918)]