21572352

素因数分解:

$2^8\times 3^3\times {\mathrm{3121}}^1$

素因数の和:3146

約数の個数: 72

約数和(自身を含む): 63813680

約数和(自身を除く): 42241328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 576, 768, 864, 1152, 1728, 2304, 3121, 3456, 6242, 6912, 9363, 12484, 18726, 24968, 28089, 37452, 49936, 56178, 74904, 84267, 99872, 112356, 149808, 168534, 199744, 224712, 299616, 337068, 399488, 449424, 599232, 674136, 798976, 898848, 1198464, 1348272, 1797696, 2396928, 2696544, 3595392, 5393088, 7190784, 10786176, 21572352]

約数ペア:

[(1, 21572352), (2, 10786176), (3, 7190784), (4, 5393088), (6, 3595392), (8, 2696544), (9, 2396928), (12, 1797696), (16, 1348272), (18, 1198464), (24, 898848), (27, 798976), (32, 674136), (36, 599232), (48, 449424), (54, 399488), (64, 337068), (72, 299616), (96, 224712), (108, 199744), (128, 168534), (144, 149808), (192, 112356), (216, 99872), (256, 84267), (288, 74904), (384, 56178), (432, 49936), (576, 37452), (768, 28089), (864, 24968), (1152, 18726), (1728, 12484), (2304, 9363), (3121, 6912), (3456, 6242)]