21820996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1439}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 18821564

約数列:

[1, 2, 4, 17, 34, 68, 223, 446, 892, 1439, 2878, 3791, 5756, 7582, 15164, 24463, 48926, 97852, 320897, 641794, 1283588, 5455249, 10910498, 21820996]

約数ペア:

[(1, 21820996), (2, 10910498), (4, 5455249), (17, 1283588), (34, 641794), (68, 320897), (223, 97852), (446, 48926), (892, 24463), (1439, 15164), (2878, 7582), (3791, 5756)]