21052473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6833}}^1$

素因数の和:6928

約数の個数: 16

約数和(自身を含む): 30616320

約数和(自身を除く): 9563847

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6833, 20499, 88829, 266487, 539807, 1619421, 7017491, 21052473]

約数ペア:

[(1, 21052473), (3, 7017491), (13, 1619421), (39, 539807), (79, 266487), (237, 88829), (1027, 20499), (3081, 6833)]