16906721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 19477584

約数和(自身を除く): 2570863

約数列:

[1, 13, 17, 113, 221, 677, 1469, 1921, 8801, 11509, 24973, 76501, 149617, 994513, 1300517, 16906721]

約数ペア:

[(1, 16906721), (13, 1300517), (17, 994513), (113, 149617), (221, 76501), (677, 24973), (1469, 11509), (1921, 8801)]