21680030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94261}}^1$

素因数の和:94291

約数の個数: 16

約数和(自身を含む): 40721184

約数和(自身を除く): 19041154

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 94261, 188522, 471305, 942610, 2168003, 4336006, 10840015, 21680030]

約数ペア:

[(1, 21680030), (2, 10840015), (5, 4336006), (10, 2168003), (23, 942610), (46, 471305), (115, 188522), (230, 94261)]