21545272

素因数分解:

$2^3\times 7^1\times {\mathrm{384737}}^1$

素因数の和:384750

約数の個数: 16

約数和(自身を含む): 46168560

約数和(自身を除く): 24623288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 384737, 769474, 1538948, 2693159, 3077896, 5386318, 10772636, 21545272]

約数ペア:

[(1, 21545272), (2, 10772636), (4, 5386318), (7, 3077896), (8, 2693159), (14, 1538948), (28, 769474), (56, 384737)]