21421167270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1281937}}^1$

素因数の和:1282504

約数の個数: 32

約数和(自身を含む): 51503141088

約数和(自身を除く): 30081973818

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 557, 1114, 1671, 2785, 3342, 5570, 8355, 16710, 1281937, 2563874, 3845811, 6409685, 7691622, 12819370, 19229055, 38458110, 714038909, 1428077818, 2142116727, 3570194545, 4284233454, 7140389090, 10710583635, 21421167270]

約数ペア:

[(1, 21421167270), (2, 10710583635), (3, 7140389090), (5, 4284233454), (6, 3570194545), (10, 2142116727), (15, 1428077818), (30, 714038909), (557, 38458110), (1114, 19229055), (1671, 12819370), (2785, 7691622), (3342, 6409685), (5570, 3845811), (8355, 2563874), (16710, 1281937)]