21002552

素因数分解:

$2^3\times {\mathrm{521}}^1\times {\mathrm{5039}}^1$

素因数の和:5566

約数の個数: 16

約数和(自身を含む): 39463200

約数和(自身を除く): 18460648

約数列:

[1, 2, 4, 8, 521, 1042, 2084, 4168, 5039, 10078, 20156, 40312, 2625319, 5250638, 10501276, 21002552]

約数ペア:

[(1, 21002552), (2, 10501276), (4, 5250638), (8, 2625319), (521, 40312), (1042, 20156), (2084, 10078), (4168, 5039)]