21938696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1093}}^1$

素因数の和:1305

約数の個数: 32

約数和(自身を含む): 44569560

約数和(自身を除く): 22630864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193, 386, 772, 1093, 1544, 2186, 2509, 4372, 5018, 8744, 10036, 14209, 20072, 28418, 56836, 113672, 210949, 421898, 843796, 1687592, 2742337, 5484674, 10969348, 21938696]

約数ペア:

[(1, 21938696), (2, 10969348), (4, 5484674), (8, 2742337), (13, 1687592), (26, 843796), (52, 421898), (104, 210949), (193, 113672), (386, 56836), (772, 28418), (1093, 20072), (1544, 14209), (2186, 10036), (2509, 8744), (4372, 5018)]