21531922

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1459}}^1$

素因数の和:1665

約数の個数: 16

約数和(自身を含む): 33217920

約数和(自身を除く): 11685998

約数列:

[1, 2, 47, 94, 157, 314, 1459, 2918, 7379, 14758, 68573, 137146, 229063, 458126, 10765961, 21531922]

約数ペア:

[(1, 21531922), (2, 10765961), (47, 458126), (94, 229063), (157, 137146), (314, 68573), (1459, 14758), (2918, 7379)]