21250744

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5281}}^1$

素因数の和:5790

約数の個数: 16

約数和(自身を含む): 39931920

約数和(自身を除く): 18681176

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5281, 10562, 21124, 42248, 2656343, 5312686, 10625372, 21250744]

約数ペア:

[(1, 21250744), (2, 10625372), (4, 5312686), (8, 2656343), (503, 42248), (1006, 21124), (2012, 10562), (4024, 5281)]