21206463

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2551}}^1$

素因数の和:2734

約数の個数: 16

約数和(自身を含む): 30134016

約数和(自身を除く): 8927553

約数列:

[1, 3, 17, 51, 163, 489, 2551, 2771, 7653, 8313, 43367, 130101, 415813, 1247439, 7068821, 21206463]

約数ペア:

[(1, 21206463), (3, 7068821), (17, 1247439), (51, 415813), (163, 130101), (489, 43367), (2551, 8313), (2771, 7653)]