21975485

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4583}}^1$

素因数の和:4732

約数の個数: 16

約数和(自身を含む): 30364416

約数和(自身を除く): 8388931

約数列:

[1, 5, 7, 35, 137, 685, 959, 4583, 4795, 22915, 32081, 160405, 627871, 3139355, 4395097, 21975485]

約数ペア:

[(1, 21975485), (5, 4395097), (7, 3139355), (35, 627871), (137, 160405), (685, 32081), (959, 22915), (4583, 4795)]