21000902516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{477293239}}^1$

素因数の和:477293254

約数の個数: 12

約数和(自身を含む): 40092632160

約数和(自身を除く): 19091729644

約数列:

[1, 2, 4, 11, 22, 44, 477293239, 954586478, 1909172956, 5250225629, 10500451258, 21000902516]

約数ペア:

[(1, 21000902516), (2, 10500451258), (4, 5250225629), (11, 1909172956), (22, 954586478), (44, 477293239)]