21867417

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1307}}^1$

素因数の和:1350

約数の個数: 36

約数和(自身を含む): 37340784

約数和(自身を除く): 15473367

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 169, 429, 507, 1287, 1307, 1521, 1859, 3921, 5577, 11763, 14377, 16731, 16991, 43131, 50973, 129393, 152919, 186901, 220883, 560703, 662649, 1682109, 1987947, 2429713, 7289139, 21867417]

約数ペア:

[(1, 21867417), (3, 7289139), (9, 2429713), (11, 1987947), (13, 1682109), (33, 662649), (39, 560703), (99, 220883), (117, 186901), (143, 152919), (169, 129393), (429, 50973), (507, 43131), (1287, 16991), (1307, 16731), (1521, 14377), (1859, 11763), (3921, 5577)]