21215202489

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3858011}}^1$

素因数の和:3858077

約数の個数: 24

約数和(自身を含む): 33703592832

約数和(自身を除く): 12488390343

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 5499, 3858011, 11574033, 34722099, 50154143, 150462429, 181326517, 451387287, 543979551, 1631938653, 2357244721, 7071734163, 21215202489]

約数ペア:

[(1, 21215202489), (3, 7071734163), (9, 2357244721), (13, 1631938653), (39, 543979551), (47, 451387287), (117, 181326517), (141, 150462429), (423, 50154143), (611, 34722099), (1833, 11574033), (5499, 3858011)]