21446528

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{1223}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 43072560

約数和(自身を除く): 21626032

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 1096, 1223, 2192, 2446, 4384, 4892, 8768, 9784, 17536, 19568, 39136, 78272, 156544, 167551, 335102, 670204, 1340408, 2680816, 5361632, 10723264, 21446528]

約数ペア:

[(1, 21446528), (2, 10723264), (4, 5361632), (8, 2680816), (16, 1340408), (32, 670204), (64, 335102), (128, 167551), (137, 156544), (274, 78272), (548, 39136), (1096, 19568), (1223, 17536), (2192, 9784), (2446, 8768), (4384, 4892)]