21760475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1493}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 30011472

約数和(自身を除く): 8250997

約数列:

[1, 5, 11, 25, 53, 55, 265, 275, 583, 1325, 1493, 2915, 7465, 14575, 16423, 37325, 79129, 82115, 395645, 410575, 870419, 1978225, 4352095, 21760475]

約数ペア:

[(1, 21760475), (5, 4352095), (11, 1978225), (25, 870419), (53, 410575), (55, 395645), (265, 82115), (275, 79129), (583, 37325), (1325, 16423), (1493, 14575), (2915, 7465)]