21173070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{705769}}^1$

素因数の和:705779

約数の個数: 16

約数和(自身を含む): 50815440

約数和(自身を除く): 29642370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 705769, 1411538, 2117307, 3528845, 4234614, 7057690, 10586535, 21173070]

約数ペア:

[(1, 21173070), (2, 10586535), (3, 7057690), (5, 4234614), (6, 3528845), (10, 2117307), (15, 1411538), (30, 705769)]