21919806

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{599}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 50544000

約数和(自身を除く): 28624194

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 107, 114, 171, 214, 321, 342, 599, 642, 963, 1198, 1797, 1926, 2033, 3594, 4066, 5391, 6099, 10782, 11381, 12198, 18297, 22762, 34143, 36594, 64093, 68286, 102429, 128186, 192279, 204858, 384558, 576837, 1153674, 1217767, 2435534, 3653301, 7306602, 10959903, 21919806]

約数ペア:

[(1, 21919806), (2, 10959903), (3, 7306602), (6, 3653301), (9, 2435534), (18, 1217767), (19, 1153674), (38, 576837), (57, 384558), (107, 204858), (114, 192279), (171, 128186), (214, 102429), (321, 68286), (342, 64093), (599, 36594), (642, 34143), (963, 22762), (1198, 18297), (1797, 12198), (1926, 11381), (2033, 10782), (3594, 6099), (4066, 5391)]