21495026

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1601}}^1$

素因数の和:1754

約数の個数: 24

約数和(自身を含む): 37803996

約数和(自身を除く): 16308970

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1601, 1918, 3202, 6713, 11207, 13426, 22414, 78449, 156898, 219337, 438674, 1535359, 3070718, 10747513, 21495026]

約数ペア:

[(1, 21495026), (2, 10747513), (7, 3070718), (14, 1535359), (49, 438674), (98, 219337), (137, 156898), (274, 78449), (959, 22414), (1601, 13426), (1918, 11207), (3202, 6713)]