21085179

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2069}}^1$

素因数の和:2194

約数の個数: 16

約数和(自身を含む): 29145600

約数和(自身を除く): 8060421

約数列:

[1, 3, 43, 79, 129, 237, 2069, 3397, 6207, 10191, 88967, 163451, 266901, 490353, 7028393, 21085179]

約数ペア:

[(1, 21085179), (3, 7028393), (43, 490353), (79, 266901), (129, 163451), (237, 88967), (2069, 10191), (3397, 6207)]