21248964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2333}}^1$

素因数の和:2377

約数の個数: 72

約数和(自身を含む): 61169472

約数和(自身を除く): 39920508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2277, 2333, 3036, 4554, 4666, 6999, 9108, 9332, 13998, 20997, 25663, 27996, 41994, 51326, 53659, 76989, 83988, 102652, 107318, 153978, 160977, 214636, 230967, 307956, 321954, 461934, 482931, 590249, 643908, 923868, 965862, 1180498, 1770747, 1931724, 2360996, 3541494, 5312241, 7082988, 10624482, 21248964]

約数ペア:

[(1, 21248964), (2, 10624482), (3, 7082988), (4, 5312241), (6, 3541494), (9, 2360996), (11, 1931724), (12, 1770747), (18, 1180498), (22, 965862), (23, 923868), (33, 643908), (36, 590249), (44, 482931), (46, 461934), (66, 321954), (69, 307956), (92, 230967), (99, 214636), (132, 160977), (138, 153978), (198, 107318), (207, 102652), (253, 83988), (276, 76989), (396, 53659), (414, 51326), (506, 41994), (759, 27996), (828, 25663), (1012, 20997), (1518, 13998), (2277, 9332), (2333, 9108), (3036, 6999), (4554, 4666)]