21555396

素因数分解:

$2^2\times 3^4\times {\mathrm{66529}}^1$

素因数の和:66545

約数の個数: 30

約数和(自身を含む): 56350910

約数和(自身を除く): 34795514

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 66529, 133058, 199587, 266116, 399174, 598761, 798348, 1197522, 1796283, 2395044, 3592566, 5388849, 7185132, 10777698, 21555396]

約数ペア:

[(1, 21555396), (2, 10777698), (3, 7185132), (4, 5388849), (6, 3592566), (9, 2395044), (12, 1796283), (18, 1197522), (27, 798348), (36, 598761), (54, 399174), (81, 266116), (108, 199587), (162, 133058), (324, 66529)]