21618369

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{733}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 32633640

約数和(自身を除く): 11015271

約数列:

[1, 3, 9, 29, 87, 113, 261, 339, 733, 1017, 2199, 3277, 6597, 9831, 21257, 29493, 63771, 82829, 191313, 248487, 745461, 2402041, 7206123, 21618369]

約数ペア:

[(1, 21618369), (3, 7206123), (9, 2402041), (29, 745461), (87, 248487), (113, 191313), (261, 82829), (339, 63771), (733, 29493), (1017, 21257), (2199, 9831), (3277, 6597)]