21239028

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 56766528

約数和(自身を除く): 35527500

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 113, 138, 207, 226, 227, 276, 339, 414, 452, 454, 678, 681, 828, 908, 1017, 1356, 1362, 2034, 2043, 2599, 2724, 4068, 4086, 5198, 5221, 7797, 8172, 10396, 10442, 15594, 15663, 20884, 23391, 25651, 31188, 31326, 46782, 46989, 51302, 62652, 76953, 93564, 93978, 102604, 153906, 187956, 230859, 307812, 461718, 589973, 923436, 1179946, 1769919, 2359892, 3539838, 5309757, 7079676, 10619514, 21239028]

約数ペア:

[(1, 21239028), (2, 10619514), (3, 7079676), (4, 5309757), (6, 3539838), (9, 2359892), (12, 1769919), (18, 1179946), (23, 923436), (36, 589973), (46, 461718), (69, 307812), (92, 230859), (113, 187956), (138, 153906), (207, 102604), (226, 93978), (227, 93564), (276, 76953), (339, 62652), (414, 51302), (452, 46989), (454, 46782), (678, 31326), (681, 31188), (828, 25651), (908, 23391), (1017, 20884), (1356, 15663), (1362, 15594), (2034, 10442), (2043, 10396), (2599, 8172), (2724, 7797), (4068, 5221), (4086, 5198)]