21084848

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9619}}^1$

素因数の和:9764

約数の個数: 20

約数和(自身を含む): 41154360

約数和(自身を除く): 20069512

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9619, 19238, 38476, 76952, 153904, 1317803, 2635606, 5271212, 10542424, 21084848]

約数ペア:

[(1, 21084848), (2, 10542424), (4, 5271212), (8, 2635606), (16, 1317803), (137, 153904), (274, 76952), (548, 38476), (1096, 19238), (2192, 9619)]