21000296

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49529}}^1$

素因数の和:49588

約数の個数: 16

約数和(自身を含む): 40119300

約数和(自身を除く): 19119004

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49529, 99058, 198116, 396232, 2625037, 5250074, 10500148, 21000296]

約数ペア:

[(1, 21000296), (2, 10500148), (4, 5250074), (8, 2625037), (53, 396232), (106, 198116), (212, 99058), (424, 49529)]