21520288

素因数分解:

$2^5\times {\mathrm{167}}^1\times {\mathrm{4027}}^1$

素因数の和:4204

約数の個数: 24

約数和(自身を含む): 42632352

約数和(自身を除く): 21112064

約数列:

[1, 2, 4, 8, 16, 32, 167, 334, 668, 1336, 2672, 4027, 5344, 8054, 16108, 32216, 64432, 128864, 672509, 1345018, 2690036, 5380072, 10760144, 21520288]

約数ペア:

[(1, 21520288), (2, 10760144), (4, 5380072), (8, 2690036), (16, 1345018), (32, 672509), (167, 128864), (334, 64432), (668, 32216), (1336, 16108), (2672, 8054), (4027, 5344)]