21145291266

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1\times {\mathrm{389287}}^1$

素因数の和:390126

約数の個数: 32

約数和(自身を含む): 46191356928

約数和(自身を除く): 25046065662

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 823, 1646, 2469, 4938, 9053, 18106, 27159, 54318, 389287, 778574, 1167861, 2335722, 4282157, 8564314, 12846471, 25692942, 320383201, 640766402, 961149603, 1922299206, 3524215211, 7048430422, 10572645633, 21145291266]

約数ペア:

[(1, 21145291266), (2, 10572645633), (3, 7048430422), (6, 3524215211), (11, 1922299206), (22, 961149603), (33, 640766402), (66, 320383201), (823, 25692942), (1646, 12846471), (2469, 8564314), (4938, 4282157), (9053, 2335722), (18106, 1167861), (27159, 778574), (54318, 389287)]