21028694

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7829}}^1$

素因数の和:7927

約数の個数: 16

約数和(自身を含む): 33825600

約数和(自身を除く): 12796906

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 7829, 15658, 133093, 266186, 618491, 1236982, 10514347, 21028694]

約数ペア:

[(1, 21028694), (2, 10514347), (17, 1236982), (34, 618491), (79, 266186), (158, 133093), (1343, 15658), (2686, 7829)]