21977824

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2153}}^1$

素因数の和:2203

約数の個数: 48

約数和(自身を含む): 48852720

約数和(自身を除く): 26874896

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 176, 232, 319, 352, 464, 638, 928, 1276, 2153, 2552, 4306, 5104, 8612, 10208, 17224, 23683, 34448, 47366, 62437, 68896, 94732, 124874, 189464, 249748, 378928, 499496, 686807, 757856, 998992, 1373614, 1997984, 2747228, 5494456, 10988912, 21977824]

約数ペア:

[(1, 21977824), (2, 10988912), (4, 5494456), (8, 2747228), (11, 1997984), (16, 1373614), (22, 998992), (29, 757856), (32, 686807), (44, 499496), (58, 378928), (88, 249748), (116, 189464), (176, 124874), (232, 94732), (319, 68896), (352, 62437), (464, 47366), (638, 34448), (928, 23683), (1276, 17224), (2153, 10208), (2552, 8612), (4306, 5104)]