21744423

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 33761280

約数和(自身を除く): 12016857

約数列:

[1, 3, 9, 27, 31, 83, 93, 249, 279, 313, 747, 837, 939, 2241, 2573, 2817, 7719, 8451, 9703, 23157, 25979, 29109, 69471, 77937, 87327, 233811, 261981, 701433, 805349, 2416047, 7248141, 21744423]

約数ペア:

[(1, 21744423), (3, 7248141), (9, 2416047), (27, 805349), (31, 701433), (83, 261981), (93, 233811), (249, 87327), (279, 77937), (313, 69471), (747, 29109), (837, 25979), (939, 23157), (2241, 9703), (2573, 8451), (2817, 7719)]