21038910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2081}}^1$

素因数の和:2428

約数の個数: 32

約数和(自身を含む): 50667552

約数和(自身を除く): 29628642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 337, 674, 1011, 1685, 2022, 2081, 3370, 4162, 5055, 6243, 10110, 10405, 12486, 20810, 31215, 62430, 701297, 1402594, 2103891, 3506485, 4207782, 7012970, 10519455, 21038910]

約数ペア:

[(1, 21038910), (2, 10519455), (3, 7012970), (5, 4207782), (6, 3506485), (10, 2103891), (15, 1402594), (30, 701297), (337, 62430), (674, 31215), (1011, 20810), (1685, 12486), (2022, 10405), (2081, 10110), (3370, 6243), (4162, 5055)]