21469593

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 29223680

約数和(自身を除く): 7754087

約数列:

[1, 3, 79, 157, 237, 471, 577, 1731, 12403, 37209, 45583, 90589, 136749, 271767, 7156531, 21469593]

約数ペア:

[(1, 21469593), (3, 7156531), (79, 271767), (157, 136749), (237, 90589), (471, 45583), (577, 37209), (1731, 12403)]