21459072

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 40230528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 41, 47, 48, 58, 64, 82, 87, 94, 96, 116, 123, 128, 141, 164, 174, 188, 192, 232, 246, 282, 328, 348, 376, 384, 464, 492, 564, 656, 696, 752, 928, 984, 1128, 1189, 1312, 1363, 1392, 1504, 1856, 1927, 1968, 2256, 2378, 2624, 2726, 2784, 3008, 3567, 3712, 3854, 3936, 4089, 4512, 4756, 5248, 5452, 5568, 5781, 6016, 7134, 7708, 7872, 8178, 9024, 9512, 10904, 11136, 11562, 14268, 15416, 15744, 16356, 18048, 19024, 21808, 23124, 28536, 30832, 32712, 38048, 43616, 46248, 55883, 57072, 61664, 65424, 76096, 87232, 92496, 111766, 114144, 123328, 130848, 152192, 167649, 174464, 184992, 223532, 228288, 246656, 261696, 335298, 369984, 447064, 456576, 523392, 670596, 739968, 894128, 1341192, 1788256, 2682384, 3576512, 5364768, 7153024, 10729536, 21459072]

約数ペア:

[(1, 21459072), (2, 10729536), (3, 7153024), (4, 5364768), (6, 3576512), (8, 2682384), (12, 1788256), (16, 1341192), (24, 894128), (29, 739968), (32, 670596), (41, 523392), (47, 456576), (48, 447064), (58, 369984), (64, 335298), (82, 261696), (87, 246656), (94, 228288), (96, 223532), (116, 184992), (123, 174464), (128, 167649), (141, 152192), (164, 130848), (174, 123328), (188, 114144), (192, 111766), (232, 92496), (246, 87232), (282, 76096), (328, 65424), (348, 61664), (376, 57072), (384, 55883), (464, 46248), (492, 43616), (564, 38048), (656, 32712), (696, 30832), (752, 28536), (928, 23124), (984, 21808), (1128, 19024), (1189, 18048), (1312, 16356), (1363, 15744), (1392, 15416), (1504, 14268), (1856, 11562), (1927, 11136), (1968, 10904), (2256, 9512), (2378, 9024), (2624, 8178), (2726, 7872), (2784, 7708), (3008, 7134), (3567, 6016), (3712, 5781), (3854, 5568), (3936, 5452), (4089, 5248), (4512, 4756)]