21373055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4919}}^1$

素因数の和:5014

約数の個数: 16

約数和(自身を含む): 28339200

約数和(自身を除く): 6966145

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 4919, 24595, 54109, 270545, 388601, 1943005, 4274611, 21373055]

約数ペア:

[(1, 21373055), (5, 4274611), (11, 1943005), (55, 388601), (79, 270545), (395, 54109), (869, 24595), (4345, 4919)]