21524344

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 20206856

約数列:

[1, 2, 4, 8, 41, 82, 137, 164, 274, 328, 479, 548, 958, 1096, 1916, 3832, 5617, 11234, 19639, 22468, 39278, 44936, 65623, 78556, 131246, 157112, 262492, 524984, 2690543, 5381086, 10762172, 21524344]

約数ペア:

[(1, 21524344), (2, 10762172), (4, 5381086), (8, 2690543), (41, 524984), (82, 262492), (137, 157112), (164, 131246), (274, 78556), (328, 65623), (479, 44936), (548, 39278), (958, 22468), (1096, 19639), (1916, 11234), (3832, 5617)]