21235070

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45181}}^1$

素因数の和:45235

約数の個数: 16

約数和(自身を含む): 39037248

約数和(自身を除く): 17802178

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 45181, 90362, 225905, 451810, 2123507, 4247014, 10617535, 21235070]

約数ペア:

[(1, 21235070), (2, 10617535), (5, 4247014), (10, 2123507), (47, 451810), (94, 225905), (235, 90362), (470, 45181)]