21421923

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{3373}}^1$

素因数の和:3478

約数の個数: 16

約数和(自身を含む): 29961120

約数和(自身を除く): 8539197

約数列:

[1, 3, 29, 73, 87, 219, 2117, 3373, 6351, 10119, 97817, 246229, 293451, 738687, 7140641, 21421923]

約数ペア:

[(1, 21421923), (3, 7140641), (29, 738687), (73, 293451), (87, 246229), (219, 97817), (2117, 10119), (3373, 6351)]