21697216

素因数分解:

$2^6\times {\mathrm{347}}^1\times {\mathrm{977}}^1$

素因数の和:1336

約数の個数: 28

約数和(自身を含む): 43223688

約数和(自身を除く): 21526472

約数列:

[1, 2, 4, 8, 16, 32, 64, 347, 694, 977, 1388, 1954, 2776, 3908, 5552, 7816, 11104, 15632, 22208, 31264, 62528, 339019, 678038, 1356076, 2712152, 5424304, 10848608, 21697216]

約数ペア:

[(1, 21697216), (2, 10848608), (4, 5424304), (8, 2712152), (16, 1356076), (32, 678038), (64, 339019), (347, 62528), (694, 31264), (977, 22208), (1388, 15632), (1954, 11104), (2776, 7816), (3908, 5552)]