21238432

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{6089}}^1$

素因数の和:6208

約数の個数: 24

約数和(自身を含む): 42203700

約数和(自身を除く): 20965268

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 436, 872, 1744, 3488, 6089, 12178, 24356, 48712, 97424, 194848, 663701, 1327402, 2654804, 5309608, 10619216, 21238432]

約数ペア:

[(1, 21238432), (2, 10619216), (4, 5309608), (8, 2654804), (16, 1327402), (32, 663701), (109, 194848), (218, 97424), (436, 48712), (872, 24356), (1744, 12178), (3488, 6089)]