21548654

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9967}}^1$

素因数の和:10039

約数の個数: 16

約数和(自身を含む): 34449408

約数和(自身を除く): 12900754

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9967, 19934, 229241, 458482, 468449, 936898, 10774327, 21548654]

約数ペア:

[(1, 21548654), (2, 10774327), (23, 936898), (46, 468449), (47, 458482), (94, 229241), (1081, 19934), (2162, 9967)]