13121668

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2221}}^1$

素因数の和:2443

約数の個数: 24

約数和(自身を含む): 26379584

約数和(自身を除く): 13257916

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2221, 2954, 4442, 5908, 8884, 15547, 31094, 62188, 468631, 937262, 1874524, 3280417, 6560834, 13121668]

約数ペア:

[(1, 13121668), (2, 6560834), (4, 3280417), (7, 1874524), (14, 937262), (28, 468631), (211, 62188), (422, 31094), (844, 15547), (1477, 8884), (2221, 5908), (2954, 4442)]