21112048

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32183}}^1$

素因数の和:32232

約数の個数: 20

約数和(自身を含む): 41903568

約数和(自身を除く): 20791520

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32183, 64366, 128732, 257464, 514928, 1319503, 2639006, 5278012, 10556024, 21112048]

約数ペア:

[(1, 21112048), (2, 10556024), (4, 5278012), (8, 2639006), (16, 1319503), (41, 514928), (82, 257464), (164, 128732), (328, 64366), (656, 32183)]