21565966

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{5237}}^1$

素因数の和:5339

約数の個数: 16

約数和(自身を含む): 33942240

約数和(自身を除く): 12376274

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 5237, 10474, 151873, 303746, 371827, 743654, 10782983, 21565966]

約数ペア:

[(1, 21565966), (2, 10782983), (29, 743654), (58, 371827), (71, 303746), (142, 151873), (2059, 10474), (4118, 5237)]