21656228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15877}}^1$

素因数の和:15923

約数の個数: 24

約数和(自身を含む): 42680064

約数和(自身を除く): 21023836

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 15877, 31754, 63508, 174647, 349294, 492187, 698588, 984374, 1968748, 5414057, 10828114, 21656228]

約数ペア:

[(1, 21656228), (2, 10828114), (4, 5414057), (11, 1968748), (22, 984374), (31, 698588), (44, 492187), (62, 349294), (124, 174647), (341, 63508), (682, 31754), (1364, 15877)]