21052856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239237}}^1$

素因数の和:239254

約数の個数: 16

約数和(自身を含む): 43062840

約数和(自身を除く): 22009984

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239237, 478474, 956948, 1913896, 2631607, 5263214, 10526428, 21052856]

約数ペア:

[(1, 21052856), (2, 10526428), (4, 5263214), (8, 2631607), (11, 1913896), (22, 956948), (44, 478474), (88, 239237)]