21904364

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3881}}^1$

素因数の和:3985

約数の個数: 24

約数和(自身を含む): 41087088

約数和(自身を除く): 19182724

約数列:

[1, 2, 4, 17, 34, 68, 83, 166, 332, 1411, 2822, 3881, 5644, 7762, 15524, 65977, 131954, 263908, 322123, 644246, 1288492, 5476091, 10952182, 21904364]

約数ペア:

[(1, 21904364), (2, 10952182), (4, 5476091), (17, 1288492), (34, 644246), (68, 322123), (83, 263908), (166, 131954), (332, 65977), (1411, 15524), (2822, 7762), (3881, 5644)]