21968740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{23371}}^1$

素因数の和:23427

約数の個数: 24

約数和(自身を含む): 47117952

約数和(自身を除く): 25149212

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 23371, 46742, 93484, 116855, 233710, 467420, 1098437, 2196874, 4393748, 5492185, 10984370, 21968740]

約数ペア:

[(1, 21968740), (2, 10984370), (4, 5492185), (5, 4393748), (10, 2196874), (20, 1098437), (47, 467420), (94, 233710), (188, 116855), (235, 93484), (470, 46742), (940, 23371)]