21067755

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45307}}^1$

素因数の和:45346

約数の個数: 16

約数和(自身を含む): 34796544

約数和(自身を除く): 13728789

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45307, 135921, 226535, 679605, 1404517, 4213551, 7022585, 21067755]

約数ペア:

[(1, 21067755), (3, 7022585), (5, 4213551), (15, 1404517), (31, 679605), (93, 226535), (155, 135921), (465, 45307)]