21571954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10711}}^1$

素因数の和:10785

約数の個数: 16

約数和(自身を含む): 34706880

約数和(自身を除く): 13134926

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10711, 21422, 203509, 407018, 567683, 1135366, 10785977, 21571954]

約数ペア:

[(1, 21571954), (2, 10785977), (19, 1135366), (38, 567683), (53, 407018), (106, 203509), (1007, 21422), (2014, 10711)]