21308001

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49669}}^1$

素因数の和:49696

約数の個数: 16

約数和(自身を含む): 33378240

約数和(自身を除く): 12070239

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49669, 149007, 546359, 645697, 1639077, 1937091, 7102667, 21308001]

約数ペア:

[(1, 21308001), (3, 7102667), (11, 1937091), (13, 1639077), (33, 645697), (39, 546359), (143, 149007), (429, 49669)]