21011075523

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{522157}}^1$

素因数の和:522443

約数の個数: 24

約数和(自身を含む): 32256832608

約数和(自身を除く): 11245757085

約数列:

[1, 3, 9, 17, 51, 153, 263, 789, 2367, 4471, 13413, 40239, 522157, 1566471, 4699413, 8876669, 26630007, 79890021, 137327291, 411981873, 1235945619, 2334563947, 7003691841, 21011075523]

約数ペア:

[(1, 21011075523), (3, 7003691841), (9, 2334563947), (17, 1235945619), (51, 411981873), (153, 137327291), (263, 79890021), (789, 26630007), (2367, 8876669), (4471, 4699413), (13413, 1566471), (40239, 522157)]