21799954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52153}}^1$

素因数の和:52185

約数の個数: 16

約数和(自身を含む): 37550880

約数和(自身を除く): 15750926

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 52153, 104306, 573683, 990907, 1147366, 1981814, 10899977, 21799954]

約数ペア:

[(1, 21799954), (2, 10899977), (11, 1981814), (19, 1147366), (22, 990907), (38, 573683), (209, 104306), (418, 52153)]