21493395833

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{5683}}^1$

素因数の和:5878

約数の個数: 48

約数和(自身を含む): 27959823360

約数和(自身を除く): 6466427527

約数列:

[1, 7, 13, 23, 91, 139, 161, 169, 299, 973, 1183, 1807, 2093, 3197, 3887, 5683, 12649, 22379, 23491, 27209, 39781, 41561, 73879, 130709, 164437, 290927, 517153, 540293, 789937, 914963, 960427, 1699217, 3782051, 5529559, 6722989, 10269181, 11894519, 18168551, 22089821, 71884267, 127179857, 133499353, 154628747, 236191163, 934495471, 1653338141, 3070485119, 21493395833]

約数ペア:

[(1, 21493395833), (7, 3070485119), (13, 1653338141), (23, 934495471), (91, 236191163), (139, 154628747), (161, 133499353), (169, 127179857), (299, 71884267), (973, 22089821), (1183, 18168551), (1807, 11894519), (2093, 10269181), (3197, 6722989), (3887, 5529559), (5683, 3782051), (12649, 1699217), (22379, 960427), (23491, 914963), (27209, 789937), (39781, 540293), (41561, 517153), (73879, 290927), (130709, 164437)]