21147332

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 38438400

約数和(自身を除く): 17291068

約数列:

[1, 2, 4, 31, 62, 124, 199, 398, 796, 857, 1714, 3428, 6169, 12338, 24676, 26567, 53134, 106268, 170543, 341086, 682172, 5286833, 10573666, 21147332]

約数ペア:

[(1, 21147332), (2, 10573666), (4, 5286833), (31, 682172), (62, 341086), (124, 170543), (199, 106268), (398, 53134), (796, 26567), (857, 24676), (1714, 12338), (3428, 6169)]