21200230

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4639}}^1$

素因数の和:5103

約数の個数: 16

約数和(自身を含む): 38252160

約数和(自身を除く): 17051930

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 4639, 9278, 23195, 46390, 2120023, 4240046, 10600115, 21200230]

約数ペア:

[(1, 21200230), (2, 10600115), (5, 4240046), (10, 2120023), (457, 46390), (914, 23195), (2285, 9278), (4570, 4639)]