21421917

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1433}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 34003008

約数和(自身を除く): 12581091

約数列:

[1, 3, 9, 11, 33, 99, 151, 453, 1359, 1433, 1661, 4299, 4983, 12897, 14949, 15763, 47289, 141867, 216383, 649149, 1947447, 2380213, 7140639, 21421917]

約数ペア:

[(1, 21421917), (3, 7140639), (9, 2380213), (11, 1947447), (33, 649149), (99, 216383), (151, 141867), (453, 47289), (1359, 15763), (1433, 14949), (1661, 12897), (4299, 4983)]