21772210

素因数分解:

$2^1\times 5^1\times {\mathrm{761}}^1\times {\mathrm{2861}}^1$

素因数の和:3629

約数の個数: 16

約数和(自身を含む): 39255192

約数和(自身を除く): 17482982

約数列:

[1, 2, 5, 10, 761, 1522, 2861, 3805, 5722, 7610, 14305, 28610, 2177221, 4354442, 10886105, 21772210]

約数ペア:

[(1, 21772210), (2, 10886105), (5, 4354442), (10, 2177221), (761, 28610), (1522, 14305), (2861, 7610), (3805, 5722)]