21620992

素因数分解:

$2^8\times {\mathrm{84457}}^1$

素因数の和:84473

約数の個数: 18

約数和(自身を含む): 43158038

約数和(自身を除く): 21537046

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 84457, 168914, 337828, 675656, 1351312, 2702624, 5405248, 10810496, 21620992]

約数ペア:

[(1, 21620992), (2, 10810496), (4, 5405248), (8, 2702624), (16, 1351312), (32, 675656), (64, 337828), (128, 168914), (256, 84457)]