21395894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{48407}}^1$

素因数の和:48439

約数の個数: 16

約数和(自身を含む): 36596448

約数和(自身を除く): 15200554

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 48407, 96814, 629291, 822919, 1258582, 1645838, 10697947, 21395894]

約数ペア:

[(1, 21395894), (2, 10697947), (13, 1645838), (17, 1258582), (26, 822919), (34, 629291), (221, 96814), (442, 48407)]