21091299

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{5011}}^1$

素因数の和:5098

約数の個数: 16

約数和(自身を含む): 29831424

約数和(自身を除く): 8740125

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 5011, 15033, 115253, 305671, 345759, 917013, 7030433, 21091299]

約数ペア:

[(1, 21091299), (3, 7030433), (23, 917013), (61, 345759), (69, 305671), (183, 115253), (1403, 15033), (4209, 5011)]