21961497625

素因数分解:

$5^3\times {\mathrm{2411}}^1\times {\mathrm{72871}}^1$

素因数の和:75297

約数の個数: 16

約数和(自身を含む): 27419693184

約数和(自身を除く): 5458195559

約数列:

[1, 5, 25, 125, 2411, 12055, 60275, 72871, 301375, 364355, 1821775, 9108875, 175691981, 878459905, 4392299525, 21961497625]

約数ペア:

[(1, 21961497625), (5, 4392299525), (25, 878459905), (125, 175691981), (2411, 9108875), (12055, 1821775), (60275, 364355), (72871, 301375)]