21081046

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40697}}^1$

素因数の和:40743

約数の個数: 16

約数和(自身を含む): 37116576

約数和(自身を除く): 16035530

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40697, 81394, 284879, 569758, 1505789, 3011578, 10540523, 21081046]

約数ペア:

[(1, 21081046), (2, 10540523), (7, 3011578), (14, 1505789), (37, 569758), (74, 284879), (259, 81394), (518, 40697)]