21575994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 48033216

約数和(自身を除く): 26457222

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 121, 226, 242, 263, 339, 363, 526, 678, 726, 789, 1243, 1578, 2486, 2893, 3729, 5786, 7458, 8679, 13673, 17358, 27346, 29719, 31823, 41019, 59438, 63646, 82038, 89157, 95469, 178314, 190938, 326909, 653818, 980727, 1961454, 3595999, 7191998, 10787997, 21575994]

約数ペア:

[(1, 21575994), (2, 10787997), (3, 7191998), (6, 3595999), (11, 1961454), (22, 980727), (33, 653818), (66, 326909), (113, 190938), (121, 178314), (226, 95469), (242, 89157), (263, 82038), (339, 63646), (363, 59438), (526, 41019), (678, 31823), (726, 29719), (789, 27346), (1243, 17358), (1578, 13673), (2486, 8679), (2893, 7458), (3729, 5786)]