21525179

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 24730272

約数和(自身を除く): 3205093

約数列:

[1, 13, 17, 173, 221, 563, 2249, 2941, 7319, 9571, 38233, 97399, 124423, 1266187, 1655783, 21525179]

約数ペア:

[(1, 21525179), (13, 1655783), (17, 1266187), (173, 124423), (221, 97399), (563, 38233), (2249, 9571), (2941, 7319)]