21121815468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135396253}}^1$

素因数の和:135396273

約数の個数: 24

約数和(自身を含む): 53075331568

約数和(自身を除く): 31953516100

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135396253, 270792506, 406188759, 541585012, 812377518, 1624755036, 1760151289, 3520302578, 5280453867, 7040605156, 10560907734, 21121815468]

約数ペア:

[(1, 21121815468), (2, 10560907734), (3, 7040605156), (4, 5280453867), (6, 3520302578), (12, 1760151289), (13, 1624755036), (26, 812377518), (39, 541585012), (52, 406188759), (78, 270792506), (156, 135396253)]