21395843

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9463}}^1$

素因数の和:9506

約数の個数: 16

約数和(自身を含む): 27256320

約数和(自身を除く): 5860477

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9463, 66241, 160871, 179797, 1126097, 1258579, 3056549, 21395843]

約数ペア:

[(1, 21395843), (7, 3056549), (17, 1258579), (19, 1126097), (119, 179797), (133, 160871), (323, 66241), (2261, 9463)]