21558558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2203}}^1$

素因数の和:2448

約数の個数: 32

約数和(自身を含む): 49510656

約数和(自身を除く): 27952098

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 233, 466, 699, 1398, 1631, 2203, 3262, 4406, 4893, 6609, 9786, 13218, 15421, 30842, 46263, 92526, 513299, 1026598, 1539897, 3079794, 3593093, 7186186, 10779279, 21558558]

約数ペア:

[(1, 21558558), (2, 10779279), (3, 7186186), (6, 3593093), (7, 3079794), (14, 1539897), (21, 1026598), (42, 513299), (233, 92526), (466, 46263), (699, 30842), (1398, 15421), (1631, 13218), (2203, 9786), (3262, 6609), (4406, 4893)]