21539012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{8297}}^1$

素因数の和:8371

約数の個数: 24

約数和(自身を含む): 41821920

約数和(自身を除く): 20282908

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 8297, 16594, 33188, 91267, 182534, 365068, 489523, 979046, 1958092, 5384753, 10769506, 21539012]

約数ペア:

[(1, 21539012), (2, 10769506), (4, 5384753), (11, 1958092), (22, 979046), (44, 489523), (59, 365068), (118, 182534), (236, 91267), (649, 33188), (1298, 16594), (2596, 8297)]