20216121

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 27424320

約数和(自身を除く): 7208199

約数列:

[1, 3, 109, 211, 293, 327, 633, 879, 22999, 31937, 61823, 68997, 95811, 185469, 6738707, 20216121]

約数ペア:

[(1, 20216121), (3, 6738707), (109, 185469), (211, 95811), (293, 68997), (327, 61823), (633, 31937), (879, 22999)]