21023654401

素因数分解:

${\mathrm{17}}^2\times {\mathrm{479}}^1\times {\mathrm{151871}}^1$

素因数の和:152384

約数の個数: 12

約数和(自身を含む): 22379857920

約数和(自身を除く): 1356203519

約数列:

[1, 17, 289, 479, 8143, 138431, 151871, 2581807, 43890719, 72746209, 1236685553, 21023654401]

約数ペア:

[(1, 21023654401), (17, 1236685553), (289, 72746209), (479, 43890719), (8143, 2581807), (138431, 151871)]