21148930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192263}}^1$

素因数の和:192281

約数の個数: 16

約数和(自身を含む): 41529024

約数和(自身を除く): 20380094

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 192263, 384526, 961315, 1922630, 2114893, 4229786, 10574465, 21148930]

約数ペア:

[(1, 21148930), (2, 10574465), (5, 4229786), (10, 2114893), (11, 1922630), (22, 961315), (55, 384526), (110, 192263)]