21364864

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{2011}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 43097040

約数和(自身を除く): 21732176

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 332, 664, 1328, 2011, 2656, 4022, 5312, 8044, 10624, 16088, 32176, 64352, 128704, 166913, 257408, 333826, 667652, 1335304, 2670608, 5341216, 10682432, 21364864]

約数ペア:

[(1, 21364864), (2, 10682432), (4, 5341216), (8, 2670608), (16, 1335304), (32, 667652), (64, 333826), (83, 257408), (128, 166913), (166, 128704), (332, 64352), (664, 32176), (1328, 16088), (2011, 10624), (2656, 8044), (4022, 5312)]