21879076

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1879}}^1$

素因数の和:1995

約数の個数: 24

約数和(自身を含む): 39795840

約数和(自身を除く): 17916764

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 1879, 2911, 3758, 5822, 7516, 11644, 77039, 133409, 154078, 266818, 308156, 533636, 5469769, 10939538, 21879076]

約数ペア:

[(1, 21879076), (2, 10939538), (4, 5469769), (41, 533636), (71, 308156), (82, 266818), (142, 154078), (164, 133409), (284, 77039), (1879, 11644), (2911, 7516), (3758, 5822)]