21604982

素因数分解:

$2^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:956

約数の個数: 24

約数和(自身を含む): 37859400

約数和(自身を除く): 16254418

約数列:

[1, 2, 7, 14, 49, 98, 449, 491, 898, 982, 3143, 3437, 6286, 6874, 22001, 24059, 44002, 48118, 220459, 440918, 1543213, 3086426, 10802491, 21604982]

約数ペア:

[(1, 21604982), (2, 10802491), (7, 3086426), (14, 1543213), (49, 440918), (98, 220459), (449, 48118), (491, 44002), (898, 24059), (982, 22001), (3143, 6874), (3437, 6286)]