21011489244

素因数分解:

$2^2\times 3^2\times {\mathrm{2143}}^1\times {\mathrm{272353}}^1$

素因数の和:274506

約数の個数: 36

約数和(自身を含む): 53137354816

約数和(自身を除く): 32125865572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2143, 4286, 6429, 8572, 12858, 19287, 25716, 38574, 77148, 272353, 544706, 817059, 1089412, 1634118, 2451177, 3268236, 4902354, 9804708, 583652479, 1167304958, 1750957437, 2334609916, 3501914874, 5252872311, 7003829748, 10505744622, 21011489244]

約数ペア:

[(1, 21011489244), (2, 10505744622), (3, 7003829748), (4, 5252872311), (6, 3501914874), (9, 2334609916), (12, 1750957437), (18, 1167304958), (36, 583652479), (2143, 9804708), (4286, 4902354), (6429, 3268236), (8572, 2451177), (12858, 1634118), (19287, 1089412), (25716, 817059), (38574, 544706), (77148, 272353)]