21064010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191491}}^1$

素因数の和:191509

約数の個数: 16

約数和(自身を含む): 41362272

約数和(自身を除く): 20298262

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191491, 382982, 957455, 1914910, 2106401, 4212802, 10532005, 21064010]

約数ペア:

[(1, 21064010), (2, 10532005), (5, 4212802), (10, 2106401), (11, 1914910), (22, 957455), (55, 382982), (110, 191491)]