21055254

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1213}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 46151424

約数和(自身を除く): 25096170

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 263, 526, 789, 1213, 1578, 2426, 2893, 3639, 5786, 7278, 8679, 13343, 17358, 26686, 40029, 80058, 319019, 638038, 957057, 1914114, 3509209, 7018418, 10527627, 21055254]

約数ペア:

[(1, 21055254), (2, 10527627), (3, 7018418), (6, 3509209), (11, 1914114), (22, 957057), (33, 638038), (66, 319019), (263, 80058), (526, 40029), (789, 26686), (1213, 17358), (1578, 13343), (2426, 8679), (2893, 7278), (3639, 5786)]