21140476

素因数分解:

$2^2\times 7^1\times {\mathrm{857}}^1\times {\mathrm{881}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 42378336

約数和(自身を除く): 21237860

約数列:

[1, 2, 4, 7, 14, 28, 857, 881, 1714, 1762, 3428, 3524, 5999, 6167, 11998, 12334, 23996, 24668, 755017, 1510034, 3020068, 5285119, 10570238, 21140476]

約数ペア:

[(1, 21140476), (2, 10570238), (4, 5285119), (7, 3020068), (14, 1510034), (28, 755017), (857, 24668), (881, 23996), (1714, 12334), (1762, 11998), (3428, 6167), (3524, 5999)]