21755962

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1$

素因数の和:861

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 11508038

約数列:

[1, 2, 71, 142, 349, 439, 698, 878, 24779, 31169, 49558, 62338, 153211, 306422, 10877981, 21755962]

約数ペア:

[(1, 21755962), (2, 10877981), (71, 306422), (142, 153211), (349, 62338), (439, 49558), (698, 31169), (878, 24779)]