21277322689

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{987851}}^1$

素因数の和:988056

約数の個数: 16

約数和(自身を含む): 25889625216

約数和(自身を除く): 4612302527

約数列:

[1, 7, 17, 119, 181, 1267, 3077, 21539, 987851, 6914957, 16793467, 117554269, 178801031, 1251607217, 3039617527, 21277322689]

約数ペア:

[(1, 21277322689), (7, 3039617527), (17, 1251607217), (119, 178801031), (181, 117554269), (1267, 16793467), (3077, 6914957), (21539, 987851)]