21792782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12539}}^1$

素因数の和:12631

約数の個数: 16

約数和(自身を含む): 36115200

約数和(自身を除く): 14322418

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12539, 25078, 137929, 275858, 990581, 1981162, 10896391, 21792782]

約数ペア:

[(1, 21792782), (2, 10896391), (11, 1981162), (22, 990581), (79, 275858), (158, 137929), (869, 25078), (1738, 12539)]