21171390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705713}}^1$

素因数の和:705723

約数の個数: 16

約数和(自身を含む): 50811408

約数和(自身を除く): 29640018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705713, 1411426, 2117139, 3528565, 4234278, 7057130, 10585695, 21171390]

約数ペア:

[(1, 21171390), (2, 10585695), (3, 7057130), (5, 4234278), (6, 3528565), (10, 2117139), (15, 1411426), (30, 705713)]