21905152

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2144

約数の個数: 36

約数和(自身を含む): 44812656

約数和(自身を除く): 22907504

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 2087, 2624, 4174, 5248, 8348, 10496, 16696, 33392, 66784, 85567, 133568, 171134, 267136, 342268, 534272, 684536, 1369072, 2738144, 5476288, 10952576, 21905152]

約数ペア:

[(1, 21905152), (2, 10952576), (4, 5476288), (8, 2738144), (16, 1369072), (32, 684536), (41, 534272), (64, 342268), (82, 267136), (128, 171134), (164, 133568), (256, 85567), (328, 66784), (656, 33392), (1312, 16696), (2087, 10496), (2624, 8348), (4174, 5248)]