21661003

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2311}}^1$

素因数の和:2434

約数の個数: 16

約数和(自身を含む): 26930176

約数和(自身を除く): 5269173

約数列:

[1, 7, 13, 91, 103, 721, 1339, 2311, 9373, 16177, 30043, 210301, 238033, 1666231, 3094429, 21661003]

約数ペア:

[(1, 21661003), (7, 3094429), (13, 1666231), (91, 238033), (103, 210301), (721, 30043), (1339, 16177), (2311, 9373)]