21105228

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103457}}^1$

素因数の和:103481

約数の個数: 24

約数和(自身を含む): 52142832

約数和(自身を除く): 31037604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 103457, 206914, 310371, 413828, 620742, 1241484, 1758769, 3517538, 5276307, 7035076, 10552614, 21105228]

約数ペア:

[(1, 21105228), (2, 10552614), (3, 7035076), (4, 5276307), (6, 3517538), (12, 1758769), (17, 1241484), (34, 620742), (51, 413828), (68, 310371), (102, 206914), (204, 103457)]