21101620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9337}}^1$

素因数の和:9459

約数の個数: 24

約数和(自身を含む): 44710344

約数和(自身を除く): 23608724

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9337, 18674, 37348, 46685, 93370, 186740, 1055081, 2110162, 4220324, 5275405, 10550810, 21101620]

約数ペア:

[(1, 21101620), (2, 10550810), (4, 5275405), (5, 4220324), (10, 2110162), (20, 1055081), (113, 186740), (226, 93370), (452, 46685), (565, 37348), (1130, 18674), (2260, 9337)]