21977585

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33049}}^1$

素因数の和:33080

約数の個数: 16

約数和(自身を含む): 31728000

約数和(自身を除く): 9750415

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 33049, 165245, 231343, 627931, 1156715, 3139655, 4395517, 21977585]

約数ペア:

[(1, 21977585), (5, 4395517), (7, 3139655), (19, 1156715), (35, 627931), (95, 231343), (133, 165245), (665, 33049)]