21497340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{358289}}^1$

素因数の和:358301

約数の個数: 24

約数和(自身を含む): 60192720

約数和(自身を除く): 38695380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 358289, 716578, 1074867, 1433156, 1791445, 2149734, 3582890, 4299468, 5374335, 7165780, 10748670, 21497340]

約数ペア:

[(1, 21497340), (2, 10748670), (3, 7165780), (4, 5374335), (5, 4299468), (6, 3582890), (10, 2149734), (12, 1791445), (15, 1433156), (20, 1074867), (30, 716578), (60, 358289)]