21850916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{839}}^1$

素因数の和:1243

約数の個数: 24

約数和(自身を含む): 40642560

約数和(自身を除く): 18791644

約数列:

[1, 2, 4, 17, 34, 68, 383, 766, 839, 1532, 1678, 3356, 6511, 13022, 14263, 26044, 28526, 57052, 321337, 642674, 1285348, 5462729, 10925458, 21850916]

約数ペア:

[(1, 21850916), (2, 10925458), (4, 5462729), (17, 1285348), (34, 642674), (68, 321337), (383, 57052), (766, 28526), (839, 26044), (1532, 14263), (1678, 13022), (3356, 6511)]