21350793

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6863}}^1$

素因数の和:6944

約数の個数: 16

約数和(自身を含む): 30640896

約数和(自身を除く): 9290103

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6863, 20589, 116671, 350013, 418643, 1255929, 7116931, 21350793]

約数ペア:

[(1, 21350793), (3, 7116931), (17, 1255929), (51, 418643), (61, 350013), (183, 116671), (1037, 20589), (3111, 6863)]