21994672

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4567}}^1$

素因数の和:4625

約数の個数: 40

約数和(自身を含む): 49846016

約数和(自身を除く): 27851344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4567, 4816, 9134, 18268, 31969, 36536, 63938, 73072, 127876, 196381, 255752, 392762, 511504, 785524, 1374667, 1571048, 2749334, 3142096, 5498668, 10997336, 21994672]

約数ペア:

[(1, 21994672), (2, 10997336), (4, 5498668), (7, 3142096), (8, 2749334), (14, 1571048), (16, 1374667), (28, 785524), (43, 511504), (56, 392762), (86, 255752), (112, 196381), (172, 127876), (301, 73072), (344, 63938), (602, 36536), (688, 31969), (1204, 18268), (2408, 9134), (4567, 4816)]