21991394

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{6323}}^1$

素因数の和:6409

約数の個数: 16

約数和(自身を含む): 34604928

約数和(自身を除く): 12613534

約数列:

[1, 2, 37, 47, 74, 94, 1739, 3478, 6323, 12646, 233951, 297181, 467902, 594362, 10995697, 21991394]

約数ペア:

[(1, 21991394), (2, 10995697), (37, 594362), (47, 467902), (74, 297181), (94, 233951), (1739, 12646), (3478, 6323)]