21861975

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9403}}^1$

素因数の和:9447

約数の個数: 24

約数和(自身を含む): 37315072

約数和(自身を除く): 15453097

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 9403, 28209, 47015, 141045, 235075, 291493, 705225, 874479, 1457465, 4372395, 7287325, 21861975]

約数ペア:

[(1, 21861975), (3, 7287325), (5, 4372395), (15, 1457465), (25, 874479), (31, 705225), (75, 291493), (93, 235075), (155, 141045), (465, 47015), (775, 28209), (2325, 9403)]