21858560

素因数分解:

$2^8\times 5^1\times {\mathrm{17077}}^1$

素因数の和:17098

約数の個数: 36

約数和(自身を含む): 52361148

約数和(自身を除く): 30502588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 17077, 34154, 68308, 85385, 136616, 170770, 273232, 341540, 546464, 683080, 1092928, 1366160, 2185856, 2732320, 4371712, 5464640, 10929280, 21858560]

約数ペア:

[(1, 21858560), (2, 10929280), (4, 5464640), (5, 4371712), (8, 2732320), (10, 2185856), (16, 1366160), (20, 1092928), (32, 683080), (40, 546464), (64, 341540), (80, 273232), (128, 170770), (160, 136616), (256, 85385), (320, 68308), (640, 34154), (1280, 17077)]