21051610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123833}}^1$

素因数の和:123857

約数の個数: 16

約数和(自身を含む): 40122216

約数和(自身を除く): 19070606

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123833, 247666, 619165, 1238330, 2105161, 4210322, 10525805, 21051610]

約数ペア:

[(1, 21051610), (2, 10525805), (5, 4210322), (10, 2105161), (17, 1238330), (34, 619165), (85, 247666), (170, 123833)]