21849392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1753}}^1$

素因数の和:1821

約数の個数: 40

約数和(自身を含む): 45674160

約数和(自身を除く): 23824768

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 1753, 3116, 3506, 6232, 7012, 12464, 14024, 28048, 33307, 66614, 71873, 133228, 143746, 266456, 287492, 532912, 574984, 1149968, 1365587, 2731174, 5462348, 10924696, 21849392]

約数ペア:

[(1, 21849392), (2, 10924696), (4, 5462348), (8, 2731174), (16, 1365587), (19, 1149968), (38, 574984), (41, 532912), (76, 287492), (82, 266456), (152, 143746), (164, 133228), (304, 71873), (328, 66614), (656, 33307), (779, 28048), (1558, 14024), (1753, 12464), (3116, 7012), (3506, 6232)]