21492825

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5407}}^1$

素因数の和:5473

約数の個数: 24

約数和(自身を含む): 36211968

約数和(自身を除く): 14719143

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 5407, 16221, 27035, 81105, 135175, 286571, 405525, 859713, 1432855, 4298565, 7164275, 21492825]

約数ペア:

[(1, 21492825), (3, 7164275), (5, 4298565), (15, 1432855), (25, 859713), (53, 405525), (75, 286571), (159, 135175), (265, 81105), (795, 27035), (1325, 16221), (3975, 5407)]