21179060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151279}}^1$

素因数の和:151295

約数の個数: 24

約数和(自身を含む): 50830080

約数和(自身を除く): 29651020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151279, 302558, 605116, 756395, 1058953, 1512790, 2117906, 3025580, 4235812, 5294765, 10589530, 21179060]

約数ペア:

[(1, 21179060), (2, 10589530), (4, 5294765), (5, 4235812), (7, 3025580), (10, 2117906), (14, 1512790), (20, 1058953), (28, 756395), (35, 605116), (70, 302558), (140, 151279)]