21864425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^3$

素因数の和:150

約数の個数: 24

約数和(自身を含む): 30280800

約数和(自身を除く): 8416375

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 1849, 2365, 9245, 11825, 20339, 46225, 79507, 101695, 397535, 508475, 874577, 1987675, 4372885, 21864425]

約数ペア:

[(1, 21864425), (5, 4372885), (11, 1987675), (25, 874577), (43, 508475), (55, 397535), (215, 101695), (275, 79507), (473, 46225), (1075, 20339), (1849, 11825), (2365, 9245)]