21382680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 71124480

約数和(自身を除く): 49741800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 97, 110, 120, 132, 165, 167, 194, 220, 264, 291, 330, 334, 388, 440, 485, 501, 582, 660, 668, 776, 835, 970, 1002, 1067, 1164, 1320, 1336, 1455, 1670, 1837, 1940, 2004, 2134, 2328, 2505, 2910, 3201, 3340, 3674, 3880, 4008, 4268, 5010, 5335, 5511, 5820, 6402, 6680, 7348, 8536, 9185, 10020, 10670, 11022, 11640, 12804, 14696, 16005, 16199, 18370, 20040, 21340, 22044, 25608, 27555, 32010, 32398, 36740, 42680, 44088, 48597, 55110, 64020, 64796, 73480, 80995, 97194, 110220, 128040, 129592, 161990, 178189, 194388, 220440, 242985, 323980, 356378, 388776, 485970, 534567, 647960, 712756, 890945, 971940, 1069134, 1425512, 1781890, 1943880, 2138268, 2672835, 3563780, 4276536, 5345670, 7127560, 10691340, 21382680]

約数ペア:

[(1, 21382680), (2, 10691340), (3, 7127560), (4, 5345670), (5, 4276536), (6, 3563780), (8, 2672835), (10, 2138268), (11, 1943880), (12, 1781890), (15, 1425512), (20, 1069134), (22, 971940), (24, 890945), (30, 712756), (33, 647960), (40, 534567), (44, 485970), (55, 388776), (60, 356378), (66, 323980), (88, 242985), (97, 220440), (110, 194388), (120, 178189), (132, 161990), (165, 129592), (167, 128040), (194, 110220), (220, 97194), (264, 80995), (291, 73480), (330, 64796), (334, 64020), (388, 55110), (440, 48597), (485, 44088), (501, 42680), (582, 36740), (660, 32398), (668, 32010), (776, 27555), (835, 25608), (970, 22044), (1002, 21340), (1067, 20040), (1164, 18370), (1320, 16199), (1336, 16005), (1455, 14696), (1670, 12804), (1837, 11640), (1940, 11022), (2004, 10670), (2134, 10020), (2328, 9185), (2505, 8536), (2910, 7348), (3201, 6680), (3340, 6402), (3674, 5820), (3880, 5511), (4008, 5335), (4268, 5010)]