21184845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128393}}^1$

素因数の和:128412

約数の個数: 16

約数和(自身を含む): 36977472

約数和(自身を除く): 15792627

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 128393, 385179, 641965, 1412323, 1925895, 4236969, 7061615, 21184845]

約数ペア:

[(1, 21184845), (3, 7061615), (5, 4236969), (11, 1925895), (15, 1412323), (33, 641965), (55, 385179), (165, 128393)]