21743163

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9781}}^1$

素因数の和:9819

約数の個数: 24

約数和(自身を含む): 35606480

約数和(自身を除く): 13863317

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9781, 29343, 88029, 127153, 185839, 381459, 557517, 1144377, 1672551, 2415907, 7247721, 21743163]

約数ペア:

[(1, 21743163), (3, 7247721), (9, 2415907), (13, 1672551), (19, 1144377), (39, 557517), (57, 381459), (117, 185839), (171, 127153), (247, 88029), (741, 29343), (2223, 9781)]