21022370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123661}}^1$

素因数の和:123685

約数の個数: 16

約数和(自身を含む): 40066488

約数和(自身を除く): 19044118

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 123661, 247322, 618305, 1236610, 2102237, 4204474, 10511185, 21022370]

約数ペア:

[(1, 21022370), (2, 10511185), (5, 4204474), (10, 2102237), (17, 1236610), (34, 618305), (85, 247322), (170, 123661)]