21400319234

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20939647}}^1$

素因数の和:20939729

約数の個数: 16

約数和(自身を含む): 37188814848

約数和(自身を除く): 15788495614

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20939647, 41879294, 146577529, 293155058, 1528594231, 3057188462, 10700159617, 21400319234]

約数ペア:

[(1, 21400319234), (2, 10700159617), (7, 3057188462), (14, 1528594231), (73, 293155058), (146, 146577529), (511, 41879294), (1022, 20939647)]