21905295008

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16696109}}^1$

素因数の和:16696160

約数の個数: 24

約数和(自身を含む): 44177907060

約数和(自身を除く): 22272612052

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16696109, 33392218, 66784436, 133568872, 267137744, 534275488, 684540469, 1369080938, 2738161876, 5476323752, 10952647504, 21905295008]

約数ペア:

[(1, 21905295008), (2, 10952647504), (4, 5476323752), (8, 2738161876), (16, 1369080938), (32, 684540469), (41, 534275488), (82, 267137744), (164, 133568872), (328, 66784436), (656, 33392218), (1312, 16696109)]