21371348

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{733}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 38658312

約数和(自身を除く): 17286964

約数列:

[1, 2, 4, 37, 74, 148, 197, 394, 733, 788, 1466, 2932, 7289, 14578, 27121, 29156, 54242, 108484, 144401, 288802, 577604, 5342837, 10685674, 21371348]

約数ペア:

[(1, 21371348), (2, 10685674), (4, 5342837), (37, 577604), (74, 288802), (148, 144401), (197, 108484), (394, 54242), (733, 29156), (788, 27121), (1466, 14578), (2932, 7289)]