21057090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{701903}}^1$

素因数の和:701913

約数の個数: 16

約数和(自身を含む): 50537088

約数和(自身を除く): 29479998

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 701903, 1403806, 2105709, 3509515, 4211418, 7019030, 10528545, 21057090]

約数ペア:

[(1, 21057090), (2, 10528545), (3, 7019030), (5, 4211418), (6, 3509515), (10, 2105709), (15, 1403806), (30, 701903)]