21274185

素因数分解:

$3^1\times 5^1\times {\mathrm{467}}^1\times {\mathrm{3037}}^1$

素因数の和:3512

約数の個数: 16

約数和(自身を含む): 34122816

約数和(自身を除く): 12848631

約数列:

[1, 3, 5, 15, 467, 1401, 2335, 3037, 7005, 9111, 15185, 45555, 1418279, 4254837, 7091395, 21274185]

約数ペア:

[(1, 21274185), (3, 7091395), (5, 4254837), (15, 1418279), (467, 45555), (1401, 15185), (2335, 9111), (3037, 7005)]