21851973

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16979}}^1$

素因数の和:17009

約数の個数: 24

約数和(自身を含む): 37084320

約数和(自身を除く): 15232347

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16979, 50937, 152811, 186769, 220727, 560307, 662181, 1680921, 1986543, 2427997, 7283991, 21851973]

約数ペア:

[(1, 21851973), (3, 7283991), (9, 2427997), (11, 1986543), (13, 1680921), (33, 662181), (39, 560307), (99, 220727), (117, 186769), (143, 152811), (429, 50937), (1287, 16979)]