21006870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700229}}^1$

素因数の和:700239

約数の個数: 16

約数和(自身を含む): 50416560

約数和(自身を除く): 29409690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700229, 1400458, 2100687, 3501145, 4201374, 7002290, 10503435, 21006870]

約数ペア:

[(1, 21006870), (2, 10503435), (3, 7002290), (5, 4201374), (6, 3501145), (10, 2100687), (15, 1400458), (30, 700229)]