21986670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{732889}}^1$

素因数の和:732899

約数の個数: 16

約数和(自身を含む): 52768080

約数和(自身を除く): 30781410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 732889, 1465778, 2198667, 3664445, 4397334, 7328890, 10993335, 21986670]

約数ペア:

[(1, 21986670), (2, 10993335), (3, 7328890), (5, 4397334), (6, 3664445), (10, 2198667), (15, 1465778), (30, 732889)]