21407312

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36161}}^1$

素因数の和:36206

約数の個数: 20

約数和(自身を含む): 42598836

約数和(自身を除く): 21191524

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36161, 72322, 144644, 289288, 578576, 1337957, 2675914, 5351828, 10703656, 21407312]

約数ペア:

[(1, 21407312), (2, 10703656), (4, 5351828), (8, 2675914), (16, 1337957), (37, 578576), (74, 289288), (148, 144644), (296, 72322), (592, 36161)]