21260175

素因数分解:

$3^1\times 5^2\times {\mathrm{467}}^1\times {\mathrm{607}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 35283456

約数和(自身を除く): 14023281

約数列:

[1, 3, 5, 15, 25, 75, 467, 607, 1401, 1821, 2335, 3035, 7005, 9105, 11675, 15175, 35025, 45525, 283469, 850407, 1417345, 4252035, 7086725, 21260175]

約数ペア:

[(1, 21260175), (3, 7086725), (5, 4252035), (15, 1417345), (25, 850407), (75, 283469), (467, 45525), (607, 35025), (1401, 15175), (1821, 11675), (2335, 9105), (3035, 7005)]