21879346

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5413}}^1$

素因数の和:5505

約数の個数: 16

約数和(自身を含む): 34303104

約数和(自身を除く): 12423758

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 5413, 10826, 232759, 254411, 465518, 508822, 10939673, 21879346]

約数ペア:

[(1, 21879346), (2, 10939673), (43, 508822), (47, 465518), (86, 254411), (94, 232759), (2021, 10826), (4042, 5413)]