21339410

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45403}}^1$

素因数の和:45457

約数の個数: 16

約数和(自身を含む): 39229056

約数和(自身を除く): 17889646

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 45403, 90806, 227015, 454030, 2133941, 4267882, 10669705, 21339410]

約数ペア:

[(1, 21339410), (2, 10669705), (5, 4267882), (10, 2133941), (47, 454030), (94, 227015), (235, 90806), (470, 45403)]