21935412

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3881}}^1$

素因数の和:4048

約数の個数: 36

約数和(自身を含む): 55815396

約数和(自身を除く): 33879984

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3881, 5652, 7762, 11643, 15524, 23286, 34929, 46572, 69858, 139716, 609317, 1218634, 1827951, 2437268, 3655902, 5483853, 7311804, 10967706, 21935412]

約数ペア:

[(1, 21935412), (2, 10967706), (3, 7311804), (4, 5483853), (6, 3655902), (9, 2437268), (12, 1827951), (18, 1218634), (36, 609317), (157, 139716), (314, 69858), (471, 46572), (628, 34929), (942, 23286), (1413, 15524), (1884, 11643), (2826, 7762), (3881, 5652)]