21790816

素因数分解:

$2^5\times {\mathrm{251}}^1\times {\mathrm{2713}}^1$

素因数の和:2974

約数の個数: 24

約数和(自身を含む): 43087464

約数和(自身を除く): 21296648

約数列:

[1, 2, 4, 8, 16, 32, 251, 502, 1004, 2008, 2713, 4016, 5426, 8032, 10852, 21704, 43408, 86816, 680963, 1361926, 2723852, 5447704, 10895408, 21790816]

約数ペア:

[(1, 21790816), (2, 10895408), (4, 5447704), (8, 2723852), (16, 1361926), (32, 680963), (251, 86816), (502, 43408), (1004, 21704), (2008, 10852), (2713, 8032), (4016, 5426)]