21165232

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2269}}^1$

素因数の和:2341

約数の個数: 40

約数和(自身を含む): 45599760

約数和(自身を除く): 24434528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2269, 2332, 4538, 4664, 9076, 9328, 18152, 24959, 36304, 49918, 99836, 120257, 199672, 240514, 399344, 481028, 962056, 1322827, 1924112, 2645654, 5291308, 10582616, 21165232]

約数ペア:

[(1, 21165232), (2, 10582616), (4, 5291308), (8, 2645654), (11, 1924112), (16, 1322827), (22, 962056), (44, 481028), (53, 399344), (88, 240514), (106, 199672), (176, 120257), (212, 99836), (424, 49918), (583, 36304), (848, 24959), (1166, 18152), (2269, 9328), (2332, 9076), (4538, 4664)]