20211576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10937}}^1$

素因数の和:10964

約数の個数: 64

約数和(自身を含む): 63002880

約数和(自身を除く): 42791304

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 10937, 21874, 32811, 43748, 65622, 76559, 87496, 120307, 131244, 153118, 229677, 240614, 262488, 306236, 360921, 459354, 481228, 612472, 721842, 842149, 918708, 962456, 1443684, 1684298, 1837416, 2526447, 2887368, 3368596, 5052894, 6737192, 10105788, 20211576]

約数ペア:

[(1, 20211576), (2, 10105788), (3, 6737192), (4, 5052894), (6, 3368596), (7, 2887368), (8, 2526447), (11, 1837416), (12, 1684298), (14, 1443684), (21, 962456), (22, 918708), (24, 842149), (28, 721842), (33, 612472), (42, 481228), (44, 459354), (56, 360921), (66, 306236), (77, 262488), (84, 240614), (88, 229677), (132, 153118), (154, 131244), (168, 120307), (231, 87496), (264, 76559), (308, 65622), (462, 43748), (616, 32811), (924, 21874), (1848, 10937)]