21276861

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{499}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 29016000

約数和(自身を除く): 7739139

約数列:

[1, 3, 61, 183, 233, 499, 699, 1497, 14213, 30439, 42639, 91317, 116267, 348801, 7092287, 21276861]

約数ペア:

[(1, 21276861), (3, 7092287), (61, 348801), (183, 116267), (233, 91317), (499, 42639), (699, 30439), (1497, 14213)]