21242892

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6997}}^1$

素因数の和:7038

約数の個数: 48

約数和(自身を含む): 56431872

約数和(自身を除く): 35188980

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 759, 1012, 1518, 3036, 6997, 13994, 20991, 27988, 41982, 76967, 83964, 153934, 160931, 230901, 307868, 321862, 461802, 482793, 643724, 923604, 965586, 1770241, 1931172, 3540482, 5310723, 7080964, 10621446, 21242892]

約数ペア:

[(1, 21242892), (2, 10621446), (3, 7080964), (4, 5310723), (6, 3540482), (11, 1931172), (12, 1770241), (22, 965586), (23, 923604), (33, 643724), (44, 482793), (46, 461802), (66, 321862), (69, 307868), (92, 230901), (132, 160931), (138, 153934), (253, 83964), (276, 76967), (506, 41982), (759, 27988), (1012, 20991), (1518, 13994), (3036, 6997)]