21043308

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12263}}^1$

素因数の和:12294

約数の個数: 48

約数和(自身を含む): 57689856

約数和(自身を除く): 36646548

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12263, 24526, 36789, 49052, 73578, 134893, 147156, 159419, 269786, 318838, 404679, 478257, 539572, 637676, 809358, 956514, 1618716, 1753609, 1913028, 3507218, 5260827, 7014436, 10521654, 21043308]

約数ペア:

[(1, 21043308), (2, 10521654), (3, 7014436), (4, 5260827), (6, 3507218), (11, 1913028), (12, 1753609), (13, 1618716), (22, 956514), (26, 809358), (33, 637676), (39, 539572), (44, 478257), (52, 404679), (66, 318838), (78, 269786), (132, 159419), (143, 147156), (156, 134893), (286, 73578), (429, 49052), (572, 36789), (858, 24526), (1716, 12263)]