21818624

素因数分解:

$2^8\times {\mathrm{85229}}^1$

素因数の和:85245

約数の個数: 18

約数和(自身を含む): 43552530

約数和(自身を除く): 21733906

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 85229, 170458, 340916, 681832, 1363664, 2727328, 5454656, 10909312, 21818624]

約数ペア:

[(1, 21818624), (2, 10909312), (4, 5454656), (8, 2727328), (16, 1363664), (32, 681832), (64, 340916), (128, 170458), (256, 85229)]