21917312

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{2063}}^1$

素因数の和:2160

約数の個数: 32

約数和(自身を含む): 44210880

約数和(自身を除く): 22293568

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 332, 664, 1328, 2063, 2656, 4126, 5312, 8252, 10624, 16504, 33008, 66016, 132032, 171229, 264064, 342458, 684916, 1369832, 2739664, 5479328, 10958656, 21917312]

約数ペア:

[(1, 21917312), (2, 10958656), (4, 5479328), (8, 2739664), (16, 1369832), (32, 684916), (64, 342458), (83, 264064), (128, 171229), (166, 132032), (332, 66016), (664, 33008), (1328, 16504), (2063, 10624), (2656, 8252), (4126, 5312)]