21039869662

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40617509}}^1$

素因数の和:40617555

約数の個数: 16

約数和(自身を含む): 37043169120

約数和(自身を除く): 16003299458

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40617509, 81235018, 284322563, 568645126, 1502847833, 3005695666, 10519934831, 21039869662]

約数ペア:

[(1, 21039869662), (2, 10519934831), (7, 3005695666), (14, 1502847833), (37, 568645126), (74, 284322563), (259, 81235018), (518, 40617509)]