21865492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1153}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 41876352

約数和(自身を除く): 20010860

約数列:

[1, 2, 4, 11, 22, 44, 431, 862, 1153, 1724, 2306, 4612, 4741, 9482, 12683, 18964, 25366, 50732, 496943, 993886, 1987772, 5466373, 10932746, 21865492]

約数ペア:

[(1, 21865492), (2, 10932746), (4, 5466373), (11, 1987772), (22, 993886), (44, 496943), (431, 50732), (862, 25366), (1153, 18964), (1724, 12683), (2306, 9482), (4612, 4741)]