21331190

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9397}}^1$

素因数の和:9631

約数の個数: 16

約数和(自身を含む): 38569392

約数和(自身を除く): 17238202

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 9397, 18794, 46985, 93970, 2133119, 4266238, 10665595, 21331190]

約数ペア:

[(1, 21331190), (2, 10665595), (5, 4266238), (10, 2133119), (227, 93970), (454, 46985), (1135, 18794), (2270, 9397)]