21704382

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 56010240

約数和(自身を除く): 34305858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 126, 134, 189, 201, 378, 402, 469, 603, 857, 938, 1206, 1407, 1714, 1809, 2571, 2814, 3618, 4221, 5142, 5999, 7713, 8442, 11998, 12663, 15426, 17997, 23139, 25326, 35994, 46278, 53991, 57419, 107982, 114838, 161973, 172257, 323946, 344514, 401933, 516771, 803866, 1033542, 1205799, 1550313, 2411598, 3100626, 3617397, 7234794, 10852191, 21704382]

約数ペア:

[(1, 21704382), (2, 10852191), (3, 7234794), (6, 3617397), (7, 3100626), (9, 2411598), (14, 1550313), (18, 1205799), (21, 1033542), (27, 803866), (42, 516771), (54, 401933), (63, 344514), (67, 323946), (126, 172257), (134, 161973), (189, 114838), (201, 107982), (378, 57419), (402, 53991), (469, 46278), (603, 35994), (857, 25326), (938, 23139), (1206, 17997), (1407, 15426), (1714, 12663), (1809, 11998), (2571, 8442), (2814, 7713), (3618, 5999), (4221, 5142)]