21219429

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{947}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 35675136

約数和(自身を除く): 14455707

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 291, 679, 947, 1067, 2037, 2841, 3201, 6629, 7469, 10417, 19887, 22407, 31251, 72919, 91859, 218757, 275577, 643013, 1010449, 1929039, 3031347, 7073143, 21219429]

約数ペア:

[(1, 21219429), (3, 7073143), (7, 3031347), (11, 1929039), (21, 1010449), (33, 643013), (77, 275577), (97, 218757), (231, 91859), (291, 72919), (679, 31251), (947, 22407), (1067, 19887), (2037, 10417), (2841, 7469), (3201, 6629)]