21532797

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{13}}^3$

素因数の和:73

約数の個数: 60

約数和(自身を含む): 38301340

約数和(自身を除く): 16768543

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 121, 143, 169, 297, 351, 363, 429, 507, 891, 1053, 1089, 1287, 1521, 1573, 1859, 2197, 3267, 3861, 4563, 4719, 5577, 6591, 9801, 11583, 13689, 14157, 16731, 19773, 20449, 24167, 42471, 50193, 59319, 61347, 72501, 127413, 150579, 177957, 184041, 217503, 265837, 552123, 652509, 797511, 1656369, 1957527, 2392533, 7177599, 21532797]

約数ペア:

[(1, 21532797), (3, 7177599), (9, 2392533), (11, 1957527), (13, 1656369), (27, 797511), (33, 652509), (39, 552123), (81, 265837), (99, 217503), (117, 184041), (121, 177957), (143, 150579), (169, 127413), (297, 72501), (351, 61347), (363, 59319), (429, 50193), (507, 42471), (891, 24167), (1053, 20449), (1089, 19773), (1287, 16731), (1521, 14157), (1573, 13689), (1859, 11583), (2197, 9801), (3267, 6591), (3861, 5577), (4563, 4719)]