21279682

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{1021}}^1$

素因数の和:1653

約数の個数: 16

約数和(自身を含む): 33885432

約数和(自身を除く): 12605750

約数列:

[1, 2, 17, 34, 613, 1021, 1226, 2042, 10421, 17357, 20842, 34714, 625873, 1251746, 10639841, 21279682]

約数ペア:

[(1, 21279682), (2, 10639841), (17, 1251746), (34, 625873), (613, 34714), (1021, 20842), (1226, 17357), (2042, 10421)]