21366243

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 32404320

約数和(自身を除く): 11038077

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 1153, 2059, 3459, 6177, 10377, 18531, 33437, 81863, 100311, 245589, 300933, 736767, 2374027, 7122081, 21366243]

約数ペア:

[(1, 21366243), (3, 7122081), (9, 2374027), (29, 736767), (71, 300933), (87, 245589), (213, 100311), (261, 81863), (639, 33437), (1153, 18531), (2059, 10377), (3459, 6177)]