21009636

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15773}}^1$

素因数の和:15820

約数の個数: 36

約数和(自身を含む): 54546492

約数和(自身を除く): 33536856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15773, 31546, 47319, 63092, 94638, 141957, 189276, 283914, 567828, 583601, 1167202, 1750803, 2334404, 3501606, 5252409, 7003212, 10504818, 21009636]

約数ペア:

[(1, 21009636), (2, 10504818), (3, 7003212), (4, 5252409), (6, 3501606), (9, 2334404), (12, 1750803), (18, 1167202), (36, 583601), (37, 567828), (74, 283914), (111, 189276), (148, 141957), (222, 94638), (333, 63092), (444, 47319), (666, 31546), (1332, 15773)]