21094125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4327}}^1$

素因数の和:4358

約数の個数: 32

約数和(自身を含む): 37809408

約数和(自身を除く): 16715283

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4327, 4875, 12981, 21635, 56251, 64905, 108175, 168753, 281255, 324525, 540875, 843765, 1406275, 1622625, 4218825, 7031375, 21094125]

約数ペア:

[(1, 21094125), (3, 7031375), (5, 4218825), (13, 1622625), (15, 1406275), (25, 843765), (39, 540875), (65, 324525), (75, 281255), (125, 168753), (195, 108175), (325, 64905), (375, 56251), (975, 21635), (1625, 12981), (4327, 4875)]