21699846

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 57456000

約数和(自身を除く): 35756154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 59, 63, 98, 118, 126, 139, 147, 177, 189, 278, 294, 354, 378, 413, 417, 441, 531, 826, 834, 882, 973, 1062, 1239, 1251, 1323, 1593, 1946, 2478, 2502, 2646, 2891, 2919, 3186, 3717, 3753, 5782, 5838, 6811, 7434, 7506, 8201, 8673, 8757, 11151, 13622, 16402, 17346, 17514, 20433, 22302, 24603, 26019, 26271, 40866, 49206, 52038, 52542, 57407, 61299, 73809, 78057, 114814, 122598, 147618, 156114, 172221, 183897, 221427, 344442, 367794, 401849, 442854, 516663, 803698, 1033326, 1205547, 1549989, 2411094, 3099978, 3616641, 7233282, 10849923, 21699846]

約数ペア:

[(1, 21699846), (2, 10849923), (3, 7233282), (6, 3616641), (7, 3099978), (9, 2411094), (14, 1549989), (18, 1205547), (21, 1033326), (27, 803698), (42, 516663), (49, 442854), (54, 401849), (59, 367794), (63, 344442), (98, 221427), (118, 183897), (126, 172221), (139, 156114), (147, 147618), (177, 122598), (189, 114814), (278, 78057), (294, 73809), (354, 61299), (378, 57407), (413, 52542), (417, 52038), (441, 49206), (531, 40866), (826, 26271), (834, 26019), (882, 24603), (973, 22302), (1062, 20433), (1239, 17514), (1251, 17346), (1323, 16402), (1593, 13622), (1946, 11151), (2478, 8757), (2502, 8673), (2646, 8201), (2891, 7506), (2919, 7434), (3186, 6811), (3717, 5838), (3753, 5782)]