21993612

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79687}}^1$

素因数の和:79717

約数の個数: 24

約数和(自身を含む): 53550336

約数和(自身を除く): 31556724

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 79687, 159374, 239061, 318748, 478122, 956244, 1832801, 3665602, 5498403, 7331204, 10996806, 21993612]

約数ペア:

[(1, 21993612), (2, 10996806), (3, 7331204), (4, 5498403), (6, 3665602), (12, 1832801), (23, 956244), (46, 478122), (69, 318748), (92, 239061), (138, 159374), (276, 79687)]