22418781

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 39806976

約数和(自身を除く): 17388195

約数列:

[1, 3, 7, 11, 21, 33, 37, 43, 61, 77, 111, 129, 183, 231, 259, 301, 407, 427, 473, 671, 777, 903, 1221, 1281, 1419, 1591, 2013, 2257, 2623, 2849, 3311, 4697, 4773, 6771, 7869, 8547, 9933, 11137, 14091, 15799, 17501, 18361, 24827, 28853, 33411, 47397, 52503, 55083, 74481, 86559, 97051, 122507, 173789, 201971, 291153, 367521, 521367, 605913, 679357, 1067561, 2038071, 3202683, 7472927, 22418781]

約数ペア:

[(1, 22418781), (3, 7472927), (7, 3202683), (11, 2038071), (21, 1067561), (33, 679357), (37, 605913), (43, 521367), (61, 367521), (77, 291153), (111, 201971), (129, 173789), (183, 122507), (231, 97051), (259, 86559), (301, 74481), (407, 55083), (427, 52503), (473, 47397), (671, 33411), (777, 28853), (903, 24827), (1221, 18361), (1281, 17501), (1419, 15799), (1591, 14091), (2013, 11137), (2257, 9933), (2623, 8547), (2849, 7869), (3311, 6771), (4697, 4773)]