21836045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 11618035

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1319, 1505, 2365, 3311, 6595, 9233, 14509, 16555, 46165, 56717, 72545, 101563, 283585, 397019, 507815, 623887, 1985095, 3119435, 4367209, 21836045]

約数ペア:

[(1, 21836045), (5, 4367209), (7, 3119435), (11, 1985095), (35, 623887), (43, 507815), (55, 397019), (77, 283585), (215, 101563), (301, 72545), (385, 56717), (473, 46165), (1319, 16555), (1505, 14509), (2365, 9233), (3311, 6595)]