21599908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1747}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 41406624

約数和(自身を除く): 19806716

約数列:

[1, 2, 4, 11, 22, 44, 281, 562, 1124, 1747, 3091, 3494, 6182, 6988, 12364, 19217, 38434, 76868, 490907, 981814, 1963628, 5399977, 10799954, 21599908]

約数ペア:

[(1, 21599908), (2, 10799954), (4, 5399977), (11, 1963628), (22, 981814), (44, 490907), (281, 76868), (562, 38434), (1124, 19217), (1747, 12364), (3091, 6988), (3494, 6182)]