21844774

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 38750976

約数和(自身を除く): 16906202

約数列:

[1, 2, 7, 14, 43, 86, 131, 262, 277, 301, 554, 602, 917, 1834, 1939, 3878, 5633, 11266, 11911, 23822, 36287, 39431, 72574, 78862, 83377, 166754, 254009, 508018, 1560341, 3120682, 10922387, 21844774]

約数ペア:

[(1, 21844774), (2, 10922387), (7, 3120682), (14, 1560341), (43, 508018), (86, 254009), (131, 166754), (262, 83377), (277, 78862), (301, 72574), (554, 39431), (602, 36287), (917, 23822), (1834, 11911), (1939, 11266), (3878, 5633)]