21864525

素因数分解:

$3^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{727}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 36289344

約数和(自身を除く): 14424819

約数列:

[1, 3, 5, 15, 25, 75, 401, 727, 1203, 2005, 2181, 3635, 6015, 10025, 10905, 18175, 30075, 54525, 291527, 874581, 1457635, 4372905, 7288175, 21864525]

約数ペア:

[(1, 21864525), (3, 7288175), (5, 4372905), (15, 1457635), (25, 874581), (75, 291527), (401, 54525), (727, 30075), (1203, 18175), (2005, 10905), (2181, 10025), (3635, 6015)]