21028059

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 12840741

約数列:

[1, 3, 9, 13, 27, 39, 117, 139, 351, 417, 431, 1251, 1293, 1807, 3753, 3879, 5421, 5603, 11637, 16263, 16809, 48789, 50427, 59909, 151281, 179727, 539181, 778817, 1617543, 2336451, 7009353, 21028059]

約数ペア:

[(1, 21028059), (3, 7009353), (9, 2336451), (13, 1617543), (27, 778817), (39, 539181), (117, 179727), (139, 151281), (351, 59909), (417, 50427), (431, 48789), (1251, 16809), (1293, 16263), (1807, 11637), (3753, 5603), (3879, 5421)]