221837028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2640917}}^1$

素因数の和:2640931

約数の個数: 24

約数和(自身を含む): 591565632

約数和(自身を除く): 369728604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2640917, 5281834, 7922751, 10563668, 15845502, 18486419, 31691004, 36972838, 55459257, 73945676, 110918514, 221837028]

約数ペア:

[(1, 221837028), (2, 110918514), (3, 73945676), (4, 55459257), (6, 36972838), (7, 31691004), (12, 18486419), (14, 15845502), (21, 10563668), (28, 7922751), (42, 5281834), (84, 2640917)]