21778832

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{13477}}^1$

素因数の和:13586

約数の個数: 20

約数和(自身を含む): 42617436

約数和(自身を除く): 20838604

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 13477, 26954, 53908, 107816, 215632, 1361177, 2722354, 5444708, 10889416, 21778832]

約数ペア:

[(1, 21778832), (2, 10889416), (4, 5444708), (8, 2722354), (16, 1361177), (101, 215632), (202, 107816), (404, 53908), (808, 26954), (1616, 13477)]