21801894

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{9341}}^1$

素因数の和:9735

約数の個数: 16

約数和(自身を含む): 43720560

約数和(自身を除く): 21918666

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 9341, 18682, 28023, 56046, 3633649, 7267298, 10900947, 21801894]

約数ペア:

[(1, 21801894), (2, 10900947), (3, 7267298), (6, 3633649), (389, 56046), (778, 28023), (1167, 18682), (2334, 9341)]