21814679

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:350

約数の個数: 16

約数和(自身を含む): 23662080

約数和(自身を除く): 1847401

約数列:

[1, 19, 71, 103, 157, 1349, 1957, 2983, 7313, 11147, 16171, 138947, 211793, 307249, 1148141, 21814679]

約数ペア:

[(1, 21814679), (19, 1148141), (71, 307249), (103, 211793), (157, 138947), (1349, 16171), (1957, 11147), (2983, 7313)]