201421678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{20219}}^1$

素因数の和:20531

約数の個数: 16

約数和(自身を含む): 321012720

約数和(自身を除く): 119591042

約数列:

[1, 2, 17, 34, 293, 586, 4981, 9962, 20219, 40438, 343723, 687446, 5924167, 11848334, 100710839, 201421678]

約数ペア:

[(1, 201421678), (2, 100710839), (17, 11848334), (34, 5924167), (293, 687446), (586, 343723), (4981, 40438), (9962, 20219)]