21114075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6547}}^1$

素因数の和:6603

約数の個数: 24

約数和(自身を含む): 35725888

約数和(自身を除く): 14611813

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 6547, 19641, 32735, 98205, 163675, 281521, 491025, 844563, 1407605, 4222815, 7038025, 21114075]

約数ペア:

[(1, 21114075), (3, 7038025), (5, 4222815), (15, 1407605), (25, 844563), (43, 491025), (75, 281521), (129, 163675), (215, 98205), (645, 32735), (1075, 19641), (3225, 6547)]