21409398

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{7297}}^1$

素因数の和:7468

約数の個数: 24

約数和(自身を含む): 46678008

約数和(自身を除く): 25268610

約数列:

[1, 2, 3, 6, 9, 18, 163, 326, 489, 978, 1467, 2934, 7297, 14594, 21891, 43782, 65673, 131346, 1189411, 2378822, 3568233, 7136466, 10704699, 21409398]

約数ペア:

[(1, 21409398), (2, 10704699), (3, 7136466), (6, 3568233), (9, 2378822), (18, 1189411), (163, 131346), (326, 65673), (489, 43782), (978, 21891), (1467, 14594), (2934, 7297)]