21491366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48623}}^1$

素因数の和:48655

約数の個数: 16

約数和(自身を含む): 36759744

約数和(自身を除く): 15268378

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48623, 97246, 632099, 826591, 1264198, 1653182, 10745683, 21491366]

約数ペア:

[(1, 21491366), (2, 10745683), (13, 1653182), (17, 1264198), (26, 826591), (34, 632099), (221, 97246), (442, 48623)]