21039090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5119}}^1$

素因数の和:5266

約数の個数: 32

約数和(自身を含む): 50872320

約数和(自身を除く): 29833230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 5119, 10238, 15357, 25595, 30714, 51190, 76785, 153570, 701303, 1402606, 2103909, 3506515, 4207818, 7013030, 10519545, 21039090]

約数ペア:

[(1, 21039090), (2, 10519545), (3, 7013030), (5, 4207818), (6, 3506515), (10, 2103909), (15, 1402606), (30, 701303), (137, 153570), (274, 76785), (411, 51190), (685, 30714), (822, 25595), (1370, 15357), (2055, 10238), (4110, 5119)]