21098324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2687}}^1$

素因数の和:2855

約数の個数: 24

約数和(自身を含む): 40040448

約数和(自身を除く): 18942124

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2687, 3926, 5374, 7852, 10748, 34931, 69862, 139724, 405737, 811474, 1622948, 5274581, 10549162, 21098324]

約数ペア:

[(1, 21098324), (2, 10549162), (4, 5274581), (13, 1622948), (26, 811474), (52, 405737), (151, 139724), (302, 69862), (604, 34931), (1963, 10748), (2687, 7852), (3926, 5374)]