21257232

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{15271}}^1$

素因数の和:15311

約数の個数: 40

約数和(自身を含む): 56811840

約数和(自身を除く): 35554608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 15271, 30542, 45813, 61084, 91626, 122168, 183252, 244336, 366504, 442859, 733008, 885718, 1328577, 1771436, 2657154, 3542872, 5314308, 7085744, 10628616, 21257232]

約数ペア:

[(1, 21257232), (2, 10628616), (3, 7085744), (4, 5314308), (6, 3542872), (8, 2657154), (12, 1771436), (16, 1328577), (24, 885718), (29, 733008), (48, 442859), (58, 366504), (87, 244336), (116, 183252), (174, 122168), (232, 91626), (348, 61084), (464, 45813), (696, 30542), (1392, 15271)]