21635816

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{26777}}^1$

素因数の和:26884

約数の個数: 16

約数和(自身を含む): 40970340

約数和(自身を除く): 19334524

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 26777, 53554, 107108, 214216, 2704477, 5408954, 10817908, 21635816]

約数ペア:

[(1, 21635816), (2, 10817908), (4, 5408954), (8, 2704477), (101, 214216), (202, 107108), (404, 53554), (808, 26777)]