21791660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99053}}^1$

素因数の和:99073

約数の個数: 24

約数和(自身を含む): 49923216

約数和(自身を除く): 28131556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99053, 198106, 396212, 495265, 990530, 1089583, 1981060, 2179166, 4358332, 5447915, 10895830, 21791660]

約数ペア:

[(1, 21791660), (2, 10895830), (4, 5447915), (5, 4358332), (10, 2179166), (11, 1981060), (20, 1089583), (22, 990530), (44, 495265), (55, 396212), (110, 198106), (220, 99053)]