21491226

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7907}}^1$

素因数の和:8066

約数の個数: 24

約数和(自身を含む): 46878624

約数和(自身を除く): 25387398

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 7907, 15814, 23721, 47442, 71163, 142326, 1193957, 2387914, 3581871, 7163742, 10745613, 21491226]

約数ペア:

[(1, 21491226), (2, 10745613), (3, 7163742), (6, 3581871), (9, 2387914), (18, 1193957), (151, 142326), (302, 71163), (453, 47442), (906, 23721), (1359, 15814), (2718, 7907)]