21625672

素因数分解:

$2^3\times {\mathrm{1063}}^1\times {\mathrm{2543}}^1$

素因数の和:3612

約数の個数: 16

約数和(自身を含む): 40602240

約数和(自身を除く): 18976568

約数列:

[1, 2, 4, 8, 1063, 2126, 2543, 4252, 5086, 8504, 10172, 20344, 2703209, 5406418, 10812836, 21625672]

約数ペア:

[(1, 21625672), (2, 10812836), (4, 5406418), (8, 2703209), (1063, 20344), (2126, 10172), (2543, 8504), (4252, 5086)]