21107157

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^2$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 30919200

約数和(自身を除く): 9812043

約数列:

[1, 3, 19, 29, 57, 87, 113, 339, 551, 1653, 2147, 3277, 6441, 9831, 12769, 38307, 62263, 186789, 242611, 370301, 727833, 1110903, 7035719, 21107157]

約数ペア:

[(1, 21107157), (3, 7035719), (19, 1110903), (29, 727833), (57, 370301), (87, 242611), (113, 186789), (339, 62263), (551, 38307), (1653, 12769), (2147, 9831), (3277, 6441)]