21765268

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33797}}^1$

素因数の和:33831

約数の個数: 24

約数和(自身を含む): 45424512

約数和(自身を除く): 23659244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33797, 67594, 135188, 236579, 473158, 777331, 946316, 1554662, 3109324, 5441317, 10882634, 21765268]

約数ペア:

[(1, 21765268), (2, 10882634), (4, 5441317), (7, 3109324), (14, 1554662), (23, 946316), (28, 777331), (46, 473158), (92, 236579), (161, 135188), (322, 67594), (644, 33797)]