21485061

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61211}}^1$

素因数の和:61233

約数の個数: 16

約数和(自身を含む): 34278720

約数和(自身を除く): 12793659

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 61211, 183633, 550899, 795743, 1652697, 2387229, 7161687, 21485061]

約数ペア:

[(1, 21485061), (3, 7161687), (9, 2387229), (13, 1652697), (27, 795743), (39, 550899), (117, 183633), (351, 61211)]