21737884

素因数分解:

$2^2\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1279}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 43581440

約数和(自身を除く): 21843556

約数列:

[1, 2, 4, 7, 14, 28, 607, 1214, 1279, 2428, 2558, 4249, 5116, 8498, 8953, 16996, 17906, 35812, 776353, 1552706, 3105412, 5434471, 10868942, 21737884]

約数ペア:

[(1, 21737884), (2, 10868942), (4, 5434471), (7, 3105412), (14, 1552706), (28, 776353), (607, 35812), (1214, 17906), (1279, 16996), (2428, 8953), (2558, 8498), (4249, 5116)]