21270010

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29137}}^1$

素因数の和:29217

約数の個数: 16

約数和(自身を含む): 38811816

約数和(自身を除く): 17541806

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29137, 58274, 145685, 291370, 2127001, 4254002, 10635005, 21270010]

約数ペア:

[(1, 21270010), (2, 10635005), (5, 4254002), (10, 2127001), (73, 291370), (146, 145685), (365, 58274), (730, 29137)]