21031119693

素因数分解:

$3^4\times {\mathrm{12853}}^1\times {\mathrm{20201}}^1$

素因数の和:33066

約数の個数: 20

約数和(自身を含む): 31420857468

約数和(自身を除く): 10389737775

約数列:

[1, 3, 9, 27, 81, 12853, 20201, 38559, 60603, 115677, 181809, 347031, 545427, 1041093, 1636281, 259643453, 778930359, 2336791077, 7010373231, 21031119693]

約数ペア:

[(1, 21031119693), (3, 7010373231), (9, 2336791077), (27, 778930359), (81, 259643453), (12853, 1636281), (20201, 1041093), (38559, 545427), (60603, 347031), (115677, 181809)]