21994488

素因数分解:

$2^3\times 3^2\times {\mathrm{305479}}^1$

素因数の和:305491

約数の個数: 24

約数和(自身を含む): 59568600

約数和(自身を除く): 37574112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 305479, 610958, 916437, 1221916, 1832874, 2443832, 2749311, 3665748, 5498622, 7331496, 10997244, 21994488]

約数ペア:

[(1, 21994488), (2, 10997244), (3, 7331496), (4, 5498622), (6, 3665748), (8, 2749311), (9, 2443832), (12, 1832874), (18, 1221916), (24, 916437), (36, 610958), (72, 305479)]