21818076

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{491}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 60945024

約数和(自身を除く): 39126948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 491, 529, 644, 966, 982, 1058, 1473, 1587, 1932, 1964, 2116, 2946, 3174, 3437, 3703, 5892, 6348, 6874, 7406, 10311, 11109, 11293, 13748, 14812, 20622, 22218, 22586, 33879, 41244, 44436, 45172, 67758, 79051, 135516, 158102, 237153, 259739, 316204, 474306, 519478, 779217, 948612, 1038956, 1558434, 1818173, 3116868, 3636346, 5454519, 7272692, 10909038, 21818076]

約数ペア:

[(1, 21818076), (2, 10909038), (3, 7272692), (4, 5454519), (6, 3636346), (7, 3116868), (12, 1818173), (14, 1558434), (21, 1038956), (23, 948612), (28, 779217), (42, 519478), (46, 474306), (69, 316204), (84, 259739), (92, 237153), (138, 158102), (161, 135516), (276, 79051), (322, 67758), (483, 45172), (491, 44436), (529, 41244), (644, 33879), (966, 22586), (982, 22218), (1058, 20622), (1473, 14812), (1587, 13748), (1932, 11293), (1964, 11109), (2116, 10311), (2946, 7406), (3174, 6874), (3437, 6348), (3703, 5892)]