21594507

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 34728960

約数和(自身を除く): 13134453

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 101, 121, 209, 303, 341, 363, 589, 627, 1023, 1111, 1767, 1919, 2299, 3131, 3333, 3751, 5757, 6479, 6897, 9393, 11253, 12221, 19437, 21109, 34441, 36663, 59489, 63327, 71269, 103323, 178467, 213807, 232199, 378851, 654379, 696597, 1136553, 1963137, 7198169, 21594507]

約数ペア:

[(1, 21594507), (3, 7198169), (11, 1963137), (19, 1136553), (31, 696597), (33, 654379), (57, 378851), (93, 232199), (101, 213807), (121, 178467), (209, 103323), (303, 71269), (341, 63327), (363, 59489), (589, 36663), (627, 34441), (1023, 21109), (1111, 19437), (1767, 12221), (1919, 11253), (2299, 9393), (3131, 6897), (3333, 6479), (3751, 5757)]