21847294

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21377}}^1$

素因数の和:21459

約数の個数: 16

約数和(自身を含む): 37967328

約数和(自身を除く): 16120034

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 21377, 42754, 149639, 299278, 1560521, 3121042, 10923647, 21847294]

約数ペア:

[(1, 21847294), (2, 10923647), (7, 3121042), (14, 1560521), (73, 299278), (146, 149639), (511, 42754), (1022, 21377)]