21579504

素因数分解:

$2^4\times 3^1\times {\mathrm{463}}^1\times {\mathrm{971}}^1$

素因数の和:1445

約数の個数: 40

約数和(自身を含む): 55924992

約数和(自身を除く): 34345488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 463, 926, 971, 1389, 1852, 1942, 2778, 2913, 3704, 3884, 5556, 5826, 7408, 7768, 11112, 11652, 15536, 22224, 23304, 46608, 449573, 899146, 1348719, 1798292, 2697438, 3596584, 5394876, 7193168, 10789752, 21579504]

約数ペア:

[(1, 21579504), (2, 10789752), (3, 7193168), (4, 5394876), (6, 3596584), (8, 2697438), (12, 1798292), (16, 1348719), (24, 899146), (48, 449573), (463, 46608), (926, 23304), (971, 22224), (1389, 15536), (1852, 11652), (1942, 11112), (2778, 7768), (2913, 7408), (3704, 5826), (3884, 5556)]