21725528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{911}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 22925992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 271, 542, 911, 1084, 1822, 2168, 2981, 3644, 5962, 7288, 10021, 11924, 20042, 23848, 40084, 80168, 246881, 493762, 987524, 1975048, 2715691, 5431382, 10862764, 21725528]

約数ペア:

[(1, 21725528), (2, 10862764), (4, 5431382), (8, 2715691), (11, 1975048), (22, 987524), (44, 493762), (88, 246881), (271, 80168), (542, 40084), (911, 23848), (1084, 20042), (1822, 11924), (2168, 10021), (2981, 7288), (3644, 5962)]