21225564

素因数分解:

$2^2\times 3^6\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:302

約数の個数: 84

約数和(自身を含む): 57841560

約数和(自身を除く): 36615996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 243, 251, 261, 324, 348, 486, 502, 522, 729, 753, 783, 972, 1004, 1044, 1458, 1506, 1566, 2259, 2349, 2916, 3012, 3132, 4518, 4698, 6777, 7047, 7279, 9036, 9396, 13554, 14094, 14558, 20331, 21141, 21837, 27108, 28188, 29116, 40662, 42282, 43674, 60993, 65511, 81324, 84564, 87348, 121986, 131022, 182979, 196533, 243972, 262044, 365958, 393066, 589599, 731916, 786132, 1179198, 1768797, 2358396, 3537594, 5306391, 7075188, 10612782, 21225564]

約数ペア:

[(1, 21225564), (2, 10612782), (3, 7075188), (4, 5306391), (6, 3537594), (9, 2358396), (12, 1768797), (18, 1179198), (27, 786132), (29, 731916), (36, 589599), (54, 393066), (58, 365958), (81, 262044), (87, 243972), (108, 196533), (116, 182979), (162, 131022), (174, 121986), (243, 87348), (251, 84564), (261, 81324), (324, 65511), (348, 60993), (486, 43674), (502, 42282), (522, 40662), (729, 29116), (753, 28188), (783, 27108), (972, 21837), (1004, 21141), (1044, 20331), (1458, 14558), (1506, 14094), (1566, 13554), (2259, 9396), (2349, 9036), (2916, 7279), (3012, 7047), (3132, 6777), (4518, 4698)]