21105528

素因数分解:

$2^3\times 3^1\times {\mathrm{863}}^1\times {\mathrm{1019}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 52876800

約数和(自身を除く): 31771272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 863, 1019, 1726, 2038, 2589, 3057, 3452, 4076, 5178, 6114, 6904, 8152, 10356, 12228, 20712, 24456, 879397, 1758794, 2638191, 3517588, 5276382, 7035176, 10552764, 21105528]

約数ペア:

[(1, 21105528), (2, 10552764), (3, 7035176), (4, 5276382), (6, 3517588), (8, 2638191), (12, 1758794), (24, 879397), (863, 24456), (1019, 20712), (1726, 12228), (2038, 10356), (2589, 8152), (3057, 6904), (3452, 6114), (4076, 5178)]