21441976

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{23719}}^1$

素因数の和:23838

約数の個数: 16

約数和(自身を含む): 40561200

約数和(自身を除く): 19119224

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 23719, 47438, 94876, 189752, 2680247, 5360494, 10720988, 21441976]

約数ペア:

[(1, 21441976), (2, 10720988), (4, 5360494), (8, 2680247), (113, 189752), (226, 94876), (452, 47438), (904, 23719)]