21459933

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 36796032

約数和(自身を除く): 15336099

約数列:

[1, 3, 9, 11, 17, 33, 41, 51, 99, 123, 153, 187, 311, 369, 451, 561, 697, 933, 1353, 1683, 2091, 2799, 3421, 4059, 5287, 6273, 7667, 10263, 12751, 15861, 23001, 30789, 38253, 47583, 58157, 69003, 114759, 140261, 174471, 216767, 420783, 523413, 650301, 1262349, 1950903, 2384437, 7153311, 21459933]

約数ペア:

[(1, 21459933), (3, 7153311), (9, 2384437), (11, 1950903), (17, 1262349), (33, 650301), (41, 523413), (51, 420783), (99, 216767), (123, 174471), (153, 140261), (187, 114759), (311, 69003), (369, 58157), (451, 47583), (561, 38253), (697, 30789), (933, 23001), (1353, 15861), (1683, 12751), (2091, 10263), (2799, 7667), (3421, 6273), (4059, 5287)]