21441904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4201}}^1$

素因数の和:4249

約数の個数: 40

約数和(自身を含む): 46894320

約数和(自身を除く): 25452416

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 4201, 5104, 8402, 16804, 33608, 46211, 67216, 92422, 121829, 184844, 243658, 369688, 487316, 739376, 974632, 1340119, 1949264, 2680238, 5360476, 10720952, 21441904]

約数ペア:

[(1, 21441904), (2, 10720952), (4, 5360476), (8, 2680238), (11, 1949264), (16, 1340119), (22, 974632), (29, 739376), (44, 487316), (58, 369688), (88, 243658), (116, 184844), (176, 121829), (232, 92422), (319, 67216), (464, 46211), (638, 33608), (1276, 16804), (2552, 8402), (4201, 5104)]