2021902690

素因数分解:

$2^1\times 5^1\times {\mathrm{3929}}^1\times {\mathrm{51461}}^1$

素因数の和:55397

約数の個数: 16

約数和(自身を含む): 3640421880

約数和(自身を除く): 1618519190

約数列:

[1, 2, 5, 10, 3929, 7858, 19645, 39290, 51461, 102922, 257305, 514610, 202190269, 404380538, 1010951345, 2021902690]

約数ペア:

[(1, 2021902690), (2, 1010951345), (5, 404380538), (10, 202190269), (3929, 514610), (7858, 257305), (19645, 102922), (39290, 51461)]