21348422

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1231

約数の個数: 16

約数和(自身を含む): 32724000

約数和(自身を除く): 11375578

約数列:

[1, 2, 71, 142, 149, 298, 1009, 2018, 10579, 21158, 71639, 143278, 150341, 300682, 10674211, 21348422]

約数ペア:

[(1, 21348422), (2, 10674211), (71, 300682), (142, 150341), (149, 143278), (298, 71639), (1009, 21158), (2018, 10579)]