2721211206

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{64790743}}^1$

素因数の和:64790755

約数の個数: 16

約数和(自身を含む): 6219911424

約数和(自身を除く): 3498700218

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 64790743, 129581486, 194372229, 388744458, 453535201, 907070402, 1360605603, 2721211206]

約数ペア:

[(1, 2721211206), (2, 1360605603), (3, 907070402), (6, 453535201), (7, 388744458), (14, 194372229), (21, 129581486), (42, 64790743)]