21388488

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81017}}^1$

素因数の和:81037

約数の個数: 32

約数和(自身を含む): 58332960

約数和(自身を除く): 36944472

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81017, 162034, 243051, 324068, 486102, 648136, 891187, 972204, 1782374, 1944408, 2673561, 3564748, 5347122, 7129496, 10694244, 21388488]

約数ペア:

[(1, 21388488), (2, 10694244), (3, 7129496), (4, 5347122), (6, 3564748), (8, 2673561), (11, 1944408), (12, 1782374), (22, 972204), (24, 891187), (33, 648136), (44, 486102), (66, 324068), (88, 243051), (132, 162034), (264, 81017)]