21055188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{22787}}^1$

素因数の和:22812

約数の個数: 48

約数和(自身を含む): 61254144

約数和(自身を除く): 40198956

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 22787, 45574, 68361, 91148, 136722, 159509, 250657, 273444, 319018, 478527, 501314, 638036, 751971, 957054, 1002628, 1503942, 1754599, 1914108, 3007884, 3509198, 5263797, 7018396, 10527594, 21055188]

約数ペア:

[(1, 21055188), (2, 10527594), (3, 7018396), (4, 5263797), (6, 3509198), (7, 3007884), (11, 1914108), (12, 1754599), (14, 1503942), (21, 1002628), (22, 957054), (28, 751971), (33, 638036), (42, 501314), (44, 478527), (66, 319018), (77, 273444), (84, 250657), (132, 159509), (154, 136722), (231, 91148), (308, 68361), (462, 45574), (924, 22787)]