21955648

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2399}}^1$

素因数の和:2435

約数の個数: 56

約数和(自身を含む): 51206400

約数和(自身を除く): 29250752

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 2288, 2399, 4576, 4798, 9152, 9596, 19192, 26389, 31187, 38384, 52778, 62374, 76768, 105556, 124748, 153536, 211112, 249496, 343057, 422224, 498992, 686114, 844448, 997984, 1372228, 1688896, 1995968, 2744456, 5488912, 10977824, 21955648]

約数ペア:

[(1, 21955648), (2, 10977824), (4, 5488912), (8, 2744456), (11, 1995968), (13, 1688896), (16, 1372228), (22, 997984), (26, 844448), (32, 686114), (44, 498992), (52, 422224), (64, 343057), (88, 249496), (104, 211112), (143, 153536), (176, 124748), (208, 105556), (286, 76768), (352, 62374), (416, 52778), (572, 38384), (704, 31187), (832, 26389), (1144, 19192), (2288, 9596), (2399, 9152), (4576, 4798)]