21986553603

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1\times {\mathrm{15991}}^1$

素因数の和:16515

約数の個数: 32

約数和(自身を含む): 33768963072

約数和(自身を除く): 11782409469

約数列:

[1, 3, 7, 21, 233, 281, 699, 843, 1631, 1967, 4893, 5901, 15991, 47973, 65473, 111937, 196419, 335811, 458311, 1374933, 3725903, 4493471, 11177709, 13480413, 26081321, 31454297, 78243963, 94362891, 1046978743, 3140936229, 7328851201, 21986553603]

約数ペア:

[(1, 21986553603), (3, 7328851201), (7, 3140936229), (21, 1046978743), (233, 94362891), (281, 78243963), (699, 31454297), (843, 26081321), (1631, 13480413), (1967, 11177709), (4893, 4493471), (5901, 3725903), (15991, 1374933), (47973, 458311), (65473, 335811), (111937, 196419)]