21409816

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{56941}}^1$

素因数の和:56994

約数の個数: 16

約数和(自身を含む): 40998240

約数和(自身を除く): 19588424

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 56941, 113882, 227764, 455528, 2676227, 5352454, 10704908, 21409816]

約数ペア:

[(1, 21409816), (2, 10704908), (4, 5352454), (8, 2676227), (47, 455528), (94, 227764), (188, 113882), (376, 56941)]