21349450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25117}}^1$

素因数の和:25146

約数の個数: 24

約数和(自身を含む): 42047532

約数和(自身を除く): 20698082

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 25117, 50234, 125585, 251170, 426989, 627925, 853978, 1255850, 2134945, 4269890, 10674725, 21349450]

約数ペア:

[(1, 21349450), (2, 10674725), (5, 4269890), (10, 2134945), (17, 1255850), (25, 853978), (34, 627925), (50, 426989), (85, 251170), (170, 125585), (425, 50234), (850, 25117)]