21866247

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{62297}}^1$

素因数の和:62319

約数の個数: 16

約数和(自身を含む): 34886880

約数和(自身を除く): 13020633

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 62297, 186891, 560673, 809861, 1682019, 2429583, 7288749, 21866247]

約数ペア:

[(1, 21866247), (3, 7288749), (9, 2429583), (13, 1682019), (27, 809861), (39, 560673), (117, 186891), (351, 62297)]