21149712

素因数分解:

$2^4\times 3^2\times {\mathrm{193}}^1\times {\mathrm{761}}^1$

素因数の和:968

約数の個数: 60

約数和(自身を含む): 59574684

約数和(自身を除く): 38424972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 193, 386, 579, 761, 772, 1158, 1522, 1544, 1737, 2283, 2316, 3044, 3088, 3474, 4566, 4632, 6088, 6849, 6948, 9132, 9264, 12176, 13698, 13896, 18264, 27396, 27792, 36528, 54792, 109584, 146873, 293746, 440619, 587492, 881238, 1174984, 1321857, 1762476, 2349968, 2643714, 3524952, 5287428, 7049904, 10574856, 21149712]

約数ペア:

[(1, 21149712), (2, 10574856), (3, 7049904), (4, 5287428), (6, 3524952), (8, 2643714), (9, 2349968), (12, 1762476), (16, 1321857), (18, 1174984), (24, 881238), (36, 587492), (48, 440619), (72, 293746), (144, 146873), (193, 109584), (386, 54792), (579, 36528), (761, 27792), (772, 27396), (1158, 18264), (1522, 13896), (1544, 13698), (1737, 12176), (2283, 9264), (2316, 9132), (3044, 6948), (3088, 6849), (3474, 6088), (4566, 4632)]