21407496

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 58924800

約数和(自身を除く): 37517304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 131, 132, 262, 264, 393, 524, 619, 786, 1048, 1238, 1441, 1572, 1857, 2476, 2882, 3144, 3714, 4323, 4952, 5764, 6809, 7428, 8646, 11528, 13618, 14856, 17292, 20427, 27236, 34584, 40854, 54472, 81089, 81708, 162178, 163416, 243267, 324356, 486534, 648712, 891979, 973068, 1783958, 1946136, 2675937, 3567916, 5351874, 7135832, 10703748, 21407496]

約数ペア:

[(1, 21407496), (2, 10703748), (3, 7135832), (4, 5351874), (6, 3567916), (8, 2675937), (11, 1946136), (12, 1783958), (22, 973068), (24, 891979), (33, 648712), (44, 486534), (66, 324356), (88, 243267), (131, 163416), (132, 162178), (262, 81708), (264, 81089), (393, 54472), (524, 40854), (619, 34584), (786, 27236), (1048, 20427), (1238, 17292), (1441, 14856), (1572, 13618), (1857, 11528), (2476, 8646), (2882, 7428), (3144, 6809), (3714, 5764), (4323, 4952)]