21887932

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1170

約数の個数: 36

約数和(自身を含む): 43168608

約数和(自身を除く): 21280676

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1103, 1804, 2206, 4412, 4961, 9922, 12133, 19844, 24266, 45223, 48532, 90446, 133463, 180892, 266926, 497453, 533852, 994906, 1989812, 5471983, 10943966, 21887932]

約数ペア:

[(1, 21887932), (2, 10943966), (4, 5471983), (11, 1989812), (22, 994906), (41, 533852), (44, 497453), (82, 266926), (121, 180892), (164, 133463), (242, 90446), (451, 48532), (484, 45223), (902, 24266), (1103, 19844), (1804, 12133), (2206, 9922), (4412, 4961)]