21636966

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3907}}^1$

素因数の和:3996

約数の個数: 32

約数和(自身を含む): 47271168

約数和(自身を除く): 25634202

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3907, 5538, 7814, 11721, 23442, 50791, 101582, 152373, 277397, 304746, 554794, 832191, 1664382, 3606161, 7212322, 10818483, 21636966]

約数ペア:

[(1, 21636966), (2, 10818483), (3, 7212322), (6, 3606161), (13, 1664382), (26, 832191), (39, 554794), (71, 304746), (78, 277397), (142, 152373), (213, 101582), (426, 50791), (923, 23442), (1846, 11721), (2769, 7814), (3907, 5538)]