21859996

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1741}}^1$

素因数の和:1861

約数の個数: 24

約数和(自身を含む): 39703664

約数和(自身を除く): 17843668

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 1741, 3139, 3482, 6278, 6964, 12556, 74863, 127093, 149726, 254186, 299452, 508372, 5464999, 10929998, 21859996]

約数ペア:

[(1, 21859996), (2, 10929998), (4, 5464999), (43, 508372), (73, 299452), (86, 254186), (146, 149726), (172, 127093), (292, 74863), (1741, 12556), (3139, 6964), (3482, 6278)]