21496906

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1459}}^1$

素因数の和:1653

約数の個数: 16

約数和(自身を含む): 33112800

約数和(自身を除く): 11615894

約数列:

[1, 2, 53, 106, 139, 278, 1459, 2918, 7367, 14734, 77327, 154654, 202801, 405602, 10748453, 21496906]

約数ペア:

[(1, 21496906), (2, 10748453), (53, 405602), (106, 202801), (139, 154654), (278, 77327), (1459, 14734), (2918, 7367)]