21959412

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{42557}}^1$

素因数の和:42607

約数の個数: 24

約数和(自身を含む): 52431456

約数和(自身を除く): 30472044

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 42557, 85114, 127671, 170228, 255342, 510684, 1829951, 3659902, 5489853, 7319804, 10979706, 21959412]

約数ペア:

[(1, 21959412), (2, 10979706), (3, 7319804), (4, 5489853), (6, 3659902), (12, 1829951), (43, 510684), (86, 255342), (129, 170228), (172, 127671), (258, 85114), (516, 42557)]