21236260

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10513}}^1$

素因数の和:10623

約数の個数: 24

約数和(自身を含む): 45041976

約数和(自身を除く): 23805716

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 10513, 21026, 42052, 52565, 105130, 210260, 1061813, 2123626, 4247252, 5309065, 10618130, 21236260]

約数ペア:

[(1, 21236260), (2, 10618130), (4, 5309065), (5, 4247252), (10, 2123626), (20, 1061813), (101, 210260), (202, 105130), (404, 52565), (505, 42052), (1010, 21026), (2020, 10513)]