21111312

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11887}}^1$

素因数の和:11935

約数の個数: 40

約数和(自身を含む): 56016256

約数和(自身を除く): 34904944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11887, 23774, 35661, 47548, 71322, 95096, 142644, 190192, 285288, 439819, 570576, 879638, 1319457, 1759276, 2638914, 3518552, 5277828, 7037104, 10555656, 21111312]

約数ペア:

[(1, 21111312), (2, 10555656), (3, 7037104), (4, 5277828), (6, 3518552), (8, 2638914), (12, 1759276), (16, 1319457), (24, 879638), (37, 570576), (48, 439819), (74, 285288), (111, 190192), (148, 142644), (222, 95096), (296, 71322), (444, 47548), (592, 35661), (888, 23774), (1776, 11887)]