21878030

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{46549}}^1$

素因数の和:46603

約数の個数: 16

約数和(自身を含む): 40219200

約数和(自身を除く): 18341170

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 46549, 93098, 232745, 465490, 2187803, 4375606, 10939015, 21878030]

約数ペア:

[(1, 21878030), (2, 10939015), (5, 4375606), (10, 2187803), (47, 465490), (94, 232745), (235, 93098), (470, 46549)]