21243730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29101}}^1$

素因数の和:29181

約数の個数: 16

約数和(自身を含む): 38763864

約数和(自身を除く): 17520134

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29101, 58202, 145505, 291010, 2124373, 4248746, 10621865, 21243730]

約数ペア:

[(1, 21243730), (2, 10621865), (5, 4248746), (10, 2124373), (73, 291010), (146, 145505), (365, 58202), (730, 29101)]