21005196

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47309}}^1$

素因数の和:47353

約数の個数: 24

約数和(自身を含む): 50337840

約数和(自身を除く): 29332644

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 47309, 94618, 141927, 189236, 283854, 567708, 1750433, 3500866, 5251299, 7001732, 10502598, 21005196]

約数ペア:

[(1, 21005196), (2, 10502598), (3, 7001732), (4, 5251299), (6, 3500866), (12, 1750433), (37, 567708), (74, 283854), (111, 189236), (148, 141927), (222, 94618), (444, 47309)]