21706982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3931}}^1$

素因数の和:4195

約数の個数: 16

約数和(自身を含む): 35671104

約数和(自身を除く): 13964122

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3931, 5522, 7862, 43241, 86482, 986681, 1973362, 10853491, 21706982]

約数ペア:

[(1, 21706982), (2, 10853491), (11, 1973362), (22, 986681), (251, 86482), (502, 43241), (2761, 7862), (3931, 5522)]