21697172

素因数分解:

$2^2\times 7^1\times {\mathrm{827}}^1\times {\mathrm{937}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 43493184

約数和(自身を除く): 21796012

約数列:

[1, 2, 4, 7, 14, 28, 827, 937, 1654, 1874, 3308, 3748, 5789, 6559, 11578, 13118, 23156, 26236, 774899, 1549798, 3099596, 5424293, 10848586, 21697172]

約数ペア:

[(1, 21697172), (2, 10848586), (4, 5424293), (7, 3099596), (14, 1549798), (28, 774899), (827, 26236), (937, 23156), (1654, 13118), (1874, 11578), (3308, 6559), (3748, 5789)]