21396244

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 38144736

約数和(自身を除く): 16748492

約数列:

[1, 2, 4, 101, 202, 211, 251, 404, 422, 502, 844, 1004, 21311, 25351, 42622, 50702, 52961, 85244, 101404, 105922, 211844, 5349061, 10698122, 21396244]

約数ペア:

[(1, 21396244), (2, 10698122), (4, 5349061), (101, 211844), (202, 105922), (211, 101404), (251, 85244), (404, 52961), (422, 50702), (502, 42622), (844, 25351), (1004, 21311)]