21673132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2557}}^1$

素因数の和:2737

約数の個数: 24

約数和(自身を含む): 41112176

約数和(自身を除く): 19439044

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2557, 4238, 5114, 8476, 10228, 33241, 66482, 132964, 416791, 833582, 1667164, 5418283, 10836566, 21673132]

約数ペア:

[(1, 21673132), (2, 10836566), (4, 5418283), (13, 1667164), (26, 833582), (52, 416791), (163, 132964), (326, 66482), (652, 33241), (2119, 10228), (2557, 8476), (4238, 5114)]