21836104

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{40739}}^1$

素因数の和:40812

約数の個数: 16

約数和(自身を含む): 41554800

約数和(自身を除く): 19718696

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 40739, 81478, 162956, 325912, 2729513, 5459026, 10918052, 21836104]

約数ペア:

[(1, 21836104), (2, 10918052), (4, 5459026), (8, 2729513), (67, 325912), (134, 162956), (268, 81478), (536, 40739)]