21552867

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1093}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 35725664

約数和(自身を除く): 14172797

約数列:

[1, 3, 7, 9, 21, 63, 313, 939, 1093, 2191, 2817, 3279, 6573, 7651, 9837, 19719, 22953, 68859, 342109, 1026327, 2394763, 3078981, 7184289, 21552867]

約数ペア:

[(1, 21552867), (3, 7184289), (7, 3078981), (9, 2394763), (21, 1026327), (63, 342109), (313, 68859), (939, 22953), (1093, 19719), (2191, 9837), (2817, 7651), (3279, 6573)]