21368039

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{773}}^1$

素因数の和:1150

約数の個数: 16

約数和(自身を含む): 26749440

約数和(自身を除く): 5381401

約数列:

[1, 7, 11, 77, 359, 773, 2513, 3949, 5411, 8503, 27643, 59521, 277507, 1942549, 3052577, 21368039]

約数ペア:

[(1, 21368039), (7, 3052577), (11, 1942549), (77, 277507), (359, 59521), (773, 27643), (2513, 8503), (3949, 5411)]