2421531

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 54

約数和(自身を含む): 4549740

約数和(自身を除く): 2128209

約数列:

[1, 3, 7, 9, 17, 19, 21, 49, 51, 57, 63, 119, 133, 147, 153, 171, 289, 323, 357, 399, 441, 833, 867, 931, 969, 1071, 1197, 2023, 2261, 2499, 2601, 2793, 2907, 5491, 6069, 6783, 7497, 8379, 14161, 15827, 16473, 18207, 20349, 38437, 42483, 47481, 49419, 115311, 127449, 142443, 269059, 345933, 807177, 2421531]

約数ペア:

[(1, 2421531), (3, 807177), (7, 345933), (9, 269059), (17, 142443), (19, 127449), (21, 115311), (49, 49419), (51, 47481), (57, 42483), (63, 38437), (119, 20349), (133, 18207), (147, 16473), (153, 15827), (171, 14161), (289, 8379), (323, 7497), (357, 6783), (399, 6069), (441, 5491), (833, 2907), (867, 2793), (931, 2601), (969, 2499), (1071, 2261), (1197, 2023)]