21392216

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{72271}}^1$

素因数の和:72314

約数の個数: 16

約数和(自身を含む): 41195040

約数和(自身を除く): 19802824

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 72271, 144542, 289084, 578168, 2674027, 5348054, 10696108, 21392216]

約数ペア:

[(1, 21392216), (2, 10696108), (4, 5348054), (8, 2674027), (37, 578168), (74, 289084), (148, 144542), (296, 72271)]