21694016

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7883}}^1$

素因数の和:7938

約数の個数: 28

約数和(自身を含む): 44055792

約数和(自身を除く): 22361776

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7883, 15766, 31532, 63064, 126128, 252256, 338969, 504512, 677938, 1355876, 2711752, 5423504, 10847008, 21694016]

約数ペア:

[(1, 21694016), (2, 10847008), (4, 5423504), (8, 2711752), (16, 1355876), (32, 677938), (43, 504512), (64, 338969), (86, 252256), (172, 126128), (344, 63064), (688, 31532), (1376, 15766), (2752, 7883)]