21014722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7789}}^1$

素因数の和:7881

約数の個数: 16

約数和(自身を含む): 33652800

約数和(自身を除く): 12638078

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7789, 15578, 147991, 295982, 553019, 1106038, 10507361, 21014722]

約数ペア:

[(1, 21014722), (2, 10507361), (19, 1106038), (38, 553019), (71, 295982), (142, 147991), (1349, 15578), (2698, 7789)]