21236677

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{709}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 26582400

約数和(自身を除く): 5345723

約数列:

[1, 7, 11, 77, 389, 709, 2723, 4279, 4963, 7799, 29953, 54593, 275801, 1930607, 3033811, 21236677]

約数ペア:

[(1, 21236677), (7, 3033811), (11, 1930607), (77, 275801), (389, 54593), (709, 29953), (2723, 7799), (4279, 4963)]