21023660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150169}}^1$

素因数の和:150185

約数の個数: 24

約数和(自身を含む): 50457120

約数和(自身を除く): 29433460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150169, 300338, 600676, 750845, 1051183, 1501690, 2102366, 3003380, 4204732, 5255915, 10511830, 21023660]

約数ペア:

[(1, 21023660), (2, 10511830), (4, 5255915), (5, 4204732), (7, 3003380), (10, 2102366), (14, 1501690), (20, 1051183), (28, 750845), (35, 600676), (70, 300338), (140, 150169)]