21821772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{259783}}^1$

素因数の和:259797

約数の個数: 24

約数和(自身を含む): 58191616

約数和(自身を除く): 36369844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 259783, 519566, 779349, 1039132, 1558698, 1818481, 3117396, 3636962, 5455443, 7273924, 10910886, 21821772]

約数ペア:

[(1, 21821772), (2, 10910886), (3, 7273924), (4, 5455443), (6, 3636962), (7, 3117396), (12, 1818481), (14, 1558698), (21, 1039132), (28, 779349), (42, 519566), (84, 259783)]