21179265

素因数分解:

$3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1741}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 33948096

約数和(自身を除く): 12768831

約数列:

[1, 3, 5, 15, 811, 1741, 2433, 4055, 5223, 8705, 12165, 26115, 1411951, 4235853, 7059755, 21179265]

約数ペア:

[(1, 21179265), (3, 7059755), (5, 4235853), (15, 1411951), (811, 26115), (1741, 12165), (2433, 8705), (4055, 5223)]