21912352

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8893}}^1$

素因数の和:8921

約数の個数: 48

約数和(自身を含む): 53790912

約数和(自身を除く): 31878560

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8893, 17786, 35572, 62251, 71144, 97823, 124502, 142288, 195646, 249004, 284576, 391292, 498008, 684761, 782584, 996016, 1369522, 1565168, 1992032, 2739044, 3130336, 5478088, 10956176, 21912352]

約数ペア:

[(1, 21912352), (2, 10956176), (4, 5478088), (7, 3130336), (8, 2739044), (11, 1992032), (14, 1565168), (16, 1369522), (22, 996016), (28, 782584), (32, 684761), (44, 498008), (56, 391292), (77, 284576), (88, 249004), (112, 195646), (154, 142288), (176, 124502), (224, 97823), (308, 71144), (352, 62251), (616, 35572), (1232, 17786), (2464, 8893)]