21549374

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12721}}^1$

素因数の和:12752

約数の個数: 24

約数和(自身を含む): 40608624

約数和(自身を除く): 19059250

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12721, 25442, 89047, 139931, 178094, 279862, 979517, 1539241, 1959034, 3078482, 10774687, 21549374]

約数ペア:

[(1, 21549374), (2, 10774687), (7, 3078482), (11, 1959034), (14, 1539241), (22, 979517), (77, 279862), (121, 178094), (154, 139931), (242, 89047), (847, 25442), (1694, 12721)]