21434710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{194861}}^1$

素因数の和:194879

約数の個数: 16

約数和(自身を含む): 42090192

約数和(自身を除く): 20655482

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 194861, 389722, 974305, 1948610, 2143471, 4286942, 10717355, 21434710]

約数ペア:

[(1, 21434710), (2, 10717355), (5, 4286942), (10, 2143471), (11, 1948610), (22, 974305), (55, 389722), (110, 194861)]