2021125424

素因数分解:

$2^4\times {\mathrm{1801}}^1\times {\mathrm{70139}}^1$

素因数の和:71948

約数の個数: 20

約数和(自身を含む): 3918160680

約数和(自身を除く): 1897035256

約数列:

[1, 2, 4, 8, 16, 1801, 3602, 7204, 14408, 28816, 70139, 140278, 280556, 561112, 1122224, 126320339, 252640678, 505281356, 1010562712, 2021125424]

約数ペア:

[(1, 2021125424), (2, 1010562712), (4, 505281356), (8, 252640678), (16, 126320339), (1801, 1122224), (3602, 561112), (7204, 280556), (14408, 140278), (28816, 70139)]