21018810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700627}}^1$

素因数の和:700637

約数の個数: 16

約数和(自身を含む): 50445216

約数和(自身を除く): 29426406

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700627, 1401254, 2101881, 3503135, 4203762, 7006270, 10509405, 21018810]

約数ペア:

[(1, 21018810), (2, 10509405), (3, 7006270), (5, 4203762), (6, 3503135), (10, 2101881), (15, 1401254), (30, 700627)]