21100744

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8017}}^1$

素因数の和:8077

約数の個数: 32

約数和(自身を含む): 46183680

約数和(自身を除く): 25082936

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8017, 16034, 32068, 56119, 64136, 112238, 224476, 376799, 448952, 753598, 1507196, 2637593, 3014392, 5275186, 10550372, 21100744]

約数ペア:

[(1, 21100744), (2, 10550372), (4, 5275186), (7, 3014392), (8, 2637593), (14, 1507196), (28, 753598), (47, 448952), (56, 376799), (94, 224476), (188, 112238), (329, 64136), (376, 56119), (658, 32068), (1316, 16034), (2632, 8017)]