21041004082

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40619699}}^1$

素因数の和:40619745

約数の個数: 16

約数和(自身を含む): 37045166400

約数和(自身を除く): 16004162318

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40619699, 81239398, 284337893, 568675786, 1502928863, 3005857726, 10520502041, 21041004082]

約数ペア:

[(1, 21041004082), (2, 10520502041), (7, 3005857726), (14, 1502928863), (37, 568675786), (74, 284337893), (259, 81239398), (518, 40619699)]