21565154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 37059120

約数和(自身を除く): 15493966

約数列:

[1, 2, 13, 26, 29, 37, 58, 74, 377, 481, 754, 773, 962, 1073, 1546, 2146, 10049, 13949, 20098, 22417, 27898, 28601, 44834, 57202, 291421, 371813, 582842, 743626, 829429, 1658858, 10782577, 21565154]

約数ペア:

[(1, 21565154), (2, 10782577), (13, 1658858), (26, 829429), (29, 743626), (37, 582842), (58, 371813), (74, 291421), (377, 57202), (481, 44834), (754, 28601), (773, 27898), (962, 22417), (1073, 20098), (1546, 13949), (2146, 10049)]