21209082

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{153689}}^1$

素因数の和:153717

約数の個数: 16

約数和(自身を含む): 44262720

約数和(自身を除く): 23053638

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 153689, 307378, 461067, 922134, 3534847, 7069694, 10604541, 21209082]

約数ペア:

[(1, 21209082), (2, 10604541), (3, 7069694), (6, 3534847), (23, 922134), (46, 461067), (69, 307378), (138, 153689)]