21309858

素因数分解:

$2^1\times 3^3\times {\mathrm{337}}^1\times {\mathrm{1171}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 47536320

約数和(自身を除く): 26226462

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 337, 674, 1011, 1171, 2022, 2342, 3033, 3513, 6066, 7026, 9099, 10539, 18198, 21078, 31617, 63234, 394627, 789254, 1183881, 2367762, 3551643, 7103286, 10654929, 21309858]

約数ペア:

[(1, 21309858), (2, 10654929), (3, 7103286), (6, 3551643), (9, 2367762), (18, 1183881), (27, 789254), (54, 394627), (337, 63234), (674, 31617), (1011, 21078), (1171, 18198), (2022, 10539), (2342, 9099), (3033, 7026), (3513, 6066)]