21299674

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56951}}^1$

素因数の和:56981

約数の個数: 16

約数和(自身を含む): 36904896

約数和(自身を除く): 15605222

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56951, 113902, 626461, 968167, 1252922, 1936334, 10649837, 21299674]

約数ペア:

[(1, 21299674), (2, 10649837), (11, 1936334), (17, 1252922), (22, 968167), (34, 626461), (187, 113902), (374, 56951)]