21387046

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7927}}^1$

素因数の和:8019

約数の個数: 16

約数和(自身を含む): 34248960

約数和(自身を除く): 12861914

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7927, 15854, 150613, 301226, 562817, 1125634, 10693523, 21387046]

約数ペア:

[(1, 21387046), (2, 10693523), (19, 1125634), (38, 562817), (71, 301226), (142, 150613), (1349, 15854), (2698, 7927)]