21908988

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{11933}}^1$

素因数の和:11963

約数の個数: 48

約数和(自身を含む): 60147360

約数和(自身を除く): 38238372

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 11933, 23866, 35799, 47732, 71598, 107397, 143196, 202861, 214794, 322191, 405722, 429588, 608583, 644382, 811444, 1217166, 1288764, 1825749, 2434332, 3651498, 5477247, 7302996, 10954494, 21908988]

約数ペア:

[(1, 21908988), (2, 10954494), (3, 7302996), (4, 5477247), (6, 3651498), (9, 2434332), (12, 1825749), (17, 1288764), (18, 1217166), (27, 811444), (34, 644382), (36, 608583), (51, 429588), (54, 405722), (68, 322191), (102, 214794), (108, 202861), (153, 143196), (204, 107397), (306, 71598), (459, 47732), (612, 35799), (918, 23866), (1836, 11933)]