21619774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{1879}}^1$

素因数の和:2415

約数の個数: 16

約数和(自身を含む): 35464320

約数和(自身を除く): 13844546

約数列:

[1, 2, 11, 22, 523, 1046, 1879, 3758, 5753, 11506, 20669, 41338, 982717, 1965434, 10809887, 21619774]

約数ペア:

[(1, 21619774), (2, 10809887), (11, 1965434), (22, 982717), (523, 41338), (1046, 20669), (1879, 11506), (3758, 5753)]