21322678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17449}}^1$

素因数の和:17511

約数の個数: 16

約数和(自身を含む): 35179200

約数和(自身を除く): 13856522

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17449, 34898, 226837, 453674, 820103, 1640206, 10661339, 21322678]

約数ペア:

[(1, 21322678), (2, 10661339), (13, 1640206), (26, 820103), (47, 453674), (94, 226837), (611, 34898), (1222, 17449)]