21857830

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9629}}^1$

素因数の和:9863

約数の個数: 16

約数和(自身を含む): 39521520

約数和(自身を除く): 17663690

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 9629, 19258, 48145, 96290, 2185783, 4371566, 10928915, 21857830]

約数ペア:

[(1, 21857830), (2, 10928915), (5, 4371566), (10, 2185783), (227, 96290), (454, 48145), (1135, 19258), (2270, 9629)]