21945604

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 39794328

約数和(自身を除く): 17848724

約数列:

[1, 2, 4, 53, 61, 106, 122, 212, 244, 1697, 3233, 3394, 6466, 6788, 12932, 89941, 103517, 179882, 207034, 359764, 414068, 5486401, 10972802, 21945604]

約数ペア:

[(1, 21945604), (2, 10972802), (4, 5486401), (53, 414068), (61, 359764), (106, 207034), (122, 179882), (212, 103517), (244, 89941), (1697, 12932), (3233, 6788), (3394, 6466)]