21870562

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 41236992

約数和(自身を除く): 19366430

約数列:

[1, 2, 7, 14, 23, 31, 46, 49, 62, 98, 161, 217, 313, 322, 434, 626, 713, 1127, 1426, 1519, 2191, 2254, 3038, 4382, 4991, 7199, 9703, 9982, 14398, 15337, 19406, 30674, 34937, 50393, 67921, 69874, 100786, 135842, 223169, 352751, 446338, 475447, 705502, 950894, 1562183, 3124366, 10935281, 21870562]

約数ペア:

[(1, 21870562), (2, 10935281), (7, 3124366), (14, 1562183), (23, 950894), (31, 705502), (46, 475447), (49, 446338), (62, 352751), (98, 223169), (161, 135842), (217, 100786), (313, 69874), (322, 67921), (434, 50393), (626, 34937), (713, 30674), (1127, 19406), (1426, 15337), (1519, 14398), (2191, 9982), (2254, 9703), (3038, 7199), (4382, 4991)]