21264032

素因数分解:

$2^5\times {\mathrm{557}}^1\times {\mathrm{1193}}^1$

素因数の和:1760

約数の個数: 24

約数和(自身を含む): 41973876

約数和(自身を除く): 20709844

約数列:

[1, 2, 4, 8, 16, 32, 557, 1114, 1193, 2228, 2386, 4456, 4772, 8912, 9544, 17824, 19088, 38176, 664501, 1329002, 2658004, 5316008, 10632016, 21264032]

約数ペア:

[(1, 21264032), (2, 10632016), (4, 5316008), (8, 2658004), (16, 1329002), (32, 664501), (557, 38176), (1114, 19088), (1193, 17824), (2228, 9544), (2386, 8912), (4456, 4772)]