21257064

素因数分解:

$2^3\times 3^2\times {\mathrm{295237}}^1$

素因数の和:295249

約数の個数: 24

約数和(自身を含む): 57571410

約数和(自身を除く): 36314346

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 295237, 590474, 885711, 1180948, 1771422, 2361896, 2657133, 3542844, 5314266, 7085688, 10628532, 21257064]

約数ペア:

[(1, 21257064), (2, 10628532), (3, 7085688), (4, 5314266), (6, 3542844), (8, 2657133), (9, 2361896), (12, 1771422), (18, 1180948), (24, 885711), (36, 590474), (72, 295237)]