21773811

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{911}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 30117888

約数和(自身を除く): 8344077

約数列:

[1, 3, 31, 93, 257, 771, 911, 2733, 7967, 23901, 28241, 84723, 234127, 702381, 7257937, 21773811]

約数ペア:

[(1, 21773811), (3, 7257937), (31, 702381), (93, 234127), (257, 84723), (771, 28241), (911, 23901), (2733, 7967)]