21079303

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9323}}^1$

素因数の和:9366

約数の個数: 16

約数和(自身を含む): 26853120

約数和(自身を除く): 5773817

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9323, 65261, 158491, 177137, 1109437, 1239959, 3011329, 21079303]

約数ペア:

[(1, 21079303), (7, 3011329), (17, 1239959), (19, 1109437), (119, 177137), (133, 158491), (323, 65261), (2261, 9323)]