21742682

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 37110528

約数和(自身を除く): 15367846

約数列:

[1, 2, 13, 23, 26, 46, 103, 206, 299, 353, 598, 706, 1339, 2369, 2678, 4589, 4738, 8119, 9178, 16238, 30797, 36359, 61594, 72718, 105547, 211094, 472667, 836257, 945334, 1672514, 10871341, 21742682]

約数ペア:

[(1, 21742682), (2, 10871341), (13, 1672514), (23, 945334), (26, 836257), (46, 472667), (103, 211094), (206, 105547), (299, 72718), (353, 61594), (598, 36359), (706, 30797), (1339, 16238), (2369, 9178), (2678, 8119), (4589, 4738)]