21656553419

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{3944009}}^1$

素因数の和:3944062

約数の個数: 12

約数和(自身を含む): 24216221400

約数和(自身を除く): 2559667981

約数列:

[1, 17, 19, 289, 323, 5491, 3944009, 67048153, 74936171, 1139818601, 1273914907, 21656553419]

約数ペア:

[(1, 21656553419), (17, 1273914907), (19, 1139818601), (289, 74936171), (323, 67048153), (5491, 3944009)]