21064156

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3067}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 39429936

約数和(自身を除く): 18365780

約数列:

[1, 2, 4, 17, 34, 68, 101, 202, 404, 1717, 3067, 3434, 6134, 6868, 12268, 52139, 104278, 208556, 309767, 619534, 1239068, 5266039, 10532078, 21064156]

約数ペア:

[(1, 21064156), (2, 10532078), (4, 5266039), (17, 1239068), (34, 619534), (68, 309767), (101, 208556), (202, 104278), (404, 52139), (1717, 12268), (3067, 6868), (3434, 6134)]