21283884

素因数分解:

$2^2\times 3^8\times {\mathrm{811}}^1$

素因数の和:839

約数の個数: 54

約数和(自身を含む): 55936244

約数和(自身を除く): 34652360

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 811, 972, 1458, 1622, 2187, 2433, 2916, 3244, 4374, 4866, 6561, 7299, 8748, 9732, 13122, 14598, 21897, 26244, 29196, 43794, 65691, 87588, 131382, 197073, 262764, 394146, 591219, 788292, 1182438, 1773657, 2364876, 3547314, 5320971, 7094628, 10641942, 21283884]

約数ペア:

[(1, 21283884), (2, 10641942), (3, 7094628), (4, 5320971), (6, 3547314), (9, 2364876), (12, 1773657), (18, 1182438), (27, 788292), (36, 591219), (54, 394146), (81, 262764), (108, 197073), (162, 131382), (243, 87588), (324, 65691), (486, 43794), (729, 29196), (811, 26244), (972, 21897), (1458, 14598), (1622, 13122), (2187, 9732), (2433, 8748), (2916, 7299), (3244, 6561), (4374, 4866)]