21618114

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 52955280

約数和(自身を除く): 31337166

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 139, 147, 161, 278, 294, 322, 417, 483, 529, 834, 966, 973, 1058, 1127, 1587, 1946, 2254, 2919, 3174, 3197, 3381, 3703, 5838, 6394, 6762, 6811, 7406, 9591, 11109, 13622, 19182, 20433, 22218, 22379, 25921, 40866, 44758, 51842, 67137, 73531, 77763, 134274, 147062, 155526, 156653, 220593, 313306, 441186, 469959, 514717, 939918, 1029434, 1544151, 3088302, 3603019, 7206038, 10809057, 21618114]

約数ペア:

[(1, 21618114), (2, 10809057), (3, 7206038), (6, 3603019), (7, 3088302), (14, 1544151), (21, 1029434), (23, 939918), (42, 514717), (46, 469959), (49, 441186), (69, 313306), (98, 220593), (138, 156653), (139, 155526), (147, 147062), (161, 134274), (278, 77763), (294, 73531), (322, 67137), (417, 51842), (483, 44758), (529, 40866), (834, 25921), (966, 22379), (973, 22218), (1058, 20433), (1127, 19182), (1587, 13622), (1946, 11109), (2254, 9591), (2919, 7406), (3174, 6811), (3197, 6762), (3381, 6394), (3703, 5838)]