21992608

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1517

約数の個数: 48

約数和(自身を含む): 48365856

約数和(自身を除く): 26373248

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1453, 1892, 2906, 3784, 5812, 7568, 11624, 15136, 15983, 23248, 31966, 46496, 62479, 63932, 124958, 127864, 249916, 255728, 499832, 511456, 687269, 999664, 1374538, 1999328, 2749076, 5498152, 10996304, 21992608]

約数ペア:

[(1, 21992608), (2, 10996304), (4, 5498152), (8, 2749076), (11, 1999328), (16, 1374538), (22, 999664), (32, 687269), (43, 511456), (44, 499832), (86, 255728), (88, 249916), (172, 127864), (176, 124958), (344, 63932), (352, 62479), (473, 46496), (688, 31966), (946, 23248), (1376, 15983), (1453, 15136), (1892, 11624), (2906, 7568), (3784, 5812)]