21145190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192229}}^1$

素因数の和:192247

約数の個数: 16

約数和(自身を含む): 41521680

約数和(自身を除く): 20376490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 192229, 384458, 961145, 1922290, 2114519, 4229038, 10572595, 21145190]

約数ペア:

[(1, 21145190), (2, 10572595), (5, 4229038), (10, 2114519), (11, 1922290), (22, 961145), (55, 384458), (110, 192229)]