21668828

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3571}}^1$

素因数の和:3653

約数の個数: 24

約数和(自身を含む): 39906384

約数和(自身を除く): 18237556

約数列:

[1, 2, 4, 37, 41, 74, 82, 148, 164, 1517, 3034, 3571, 6068, 7142, 14284, 132127, 146411, 264254, 292822, 528508, 585644, 5417207, 10834414, 21668828]

約数ペア:

[(1, 21668828), (2, 10834414), (4, 5417207), (37, 585644), (41, 528508), (74, 292822), (82, 264254), (148, 146411), (164, 132127), (1517, 14284), (3034, 7142), (3571, 6068)]