21942988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{617}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 40802832

約数和(自身を除く): 18859844

約数列:

[1, 2, 4, 17, 34, 68, 523, 617, 1046, 1234, 2092, 2468, 8891, 10489, 17782, 20978, 35564, 41956, 322691, 645382, 1290764, 5485747, 10971494, 21942988]

約数ペア:

[(1, 21942988), (2, 10971494), (4, 5485747), (17, 1290764), (34, 645382), (68, 322691), (523, 41956), (617, 35564), (1046, 20978), (1234, 17782), (2092, 10489), (2468, 8891)]