21098042

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 37684224

約数和(自身を除く): 16586182

約数列:

[1, 2, 7, 14, 31, 62, 173, 217, 281, 346, 434, 562, 1211, 1967, 2422, 3934, 5363, 8711, 10726, 17422, 37541, 48613, 60977, 75082, 97226, 121954, 340291, 680582, 1507003, 3014006, 10549021, 21098042]

約数ペア:

[(1, 21098042), (2, 10549021), (7, 3014006), (14, 1507003), (31, 680582), (62, 340291), (173, 121954), (217, 97226), (281, 75082), (346, 60977), (434, 48613), (562, 37541), (1211, 17422), (1967, 10726), (2422, 8711), (3934, 5363)]