21380235

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45979}}^1$

素因数の和:46018

約数の個数: 16

約数和(自身を含む): 35312640

約数和(自身を除く): 13932405

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45979, 137937, 229895, 689685, 1425349, 4276047, 7126745, 21380235]

約数ペア:

[(1, 21380235), (3, 7126745), (5, 4276047), (15, 1425349), (31, 689685), (93, 229895), (155, 137937), (465, 45979)]