21509248

素因数分解:

$2^7\times {\mathrm{197}}^1\times {\mathrm{853}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 43118460

約数和(自身を除く): 21609212

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 394, 788, 853, 1576, 1706, 3152, 3412, 6304, 6824, 12608, 13648, 25216, 27296, 54592, 109184, 168041, 336082, 672164, 1344328, 2688656, 5377312, 10754624, 21509248]

約数ペア:

[(1, 21509248), (2, 10754624), (4, 5377312), (8, 2688656), (16, 1344328), (32, 672164), (64, 336082), (128, 168041), (197, 109184), (394, 54592), (788, 27296), (853, 25216), (1576, 13648), (1706, 12608), (3152, 6824), (3412, 6304)]