21988352

素因数分解:

$2^{10}\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 44

約数和(自身を含む): 44583660

約数和(自身を除く): 22595308

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 197, 218, 256, 394, 436, 512, 788, 872, 1024, 1576, 1744, 3152, 3488, 6304, 6976, 12608, 13952, 21473, 25216, 27904, 42946, 50432, 55808, 85892, 100864, 111616, 171784, 201728, 343568, 687136, 1374272, 2748544, 5497088, 10994176, 21988352]

約数ペア:

[(1, 21988352), (2, 10994176), (4, 5497088), (8, 2748544), (16, 1374272), (32, 687136), (64, 343568), (109, 201728), (128, 171784), (197, 111616), (218, 100864), (256, 85892), (394, 55808), (436, 50432), (512, 42946), (788, 27904), (872, 25216), (1024, 21473), (1576, 13952), (1744, 12608), (3152, 6976), (3488, 6304)]