21886039

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 26104320

約数和(自身を除く): 4218281

約数列:

[1, 7, 29, 131, 203, 823, 917, 3799, 5761, 23867, 26593, 107813, 167069, 754691, 3126577, 21886039]

約数ペア:

[(1, 21886039), (7, 3126577), (29, 754691), (131, 167069), (203, 107813), (823, 26593), (917, 23867), (3799, 5761)]