21211582

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40949}}^1$

素因数の和:40995

約数の個数: 16

約数和(自身を含む): 37346400

約数和(自身を除く): 16134818

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40949, 81898, 286643, 573286, 1515113, 3030226, 10605791, 21211582]

約数ペア:

[(1, 21211582), (2, 10605791), (7, 3030226), (14, 1515113), (37, 573286), (74, 286643), (259, 81898), (518, 40949)]