21692346

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3917}}^1$

素因数の和:4006

約数の個数: 32

約数和(自身を含む): 47392128

約数和(自身を除く): 25699782

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 3917, 5538, 7834, 11751, 23502, 50921, 101842, 152763, 278107, 305526, 556214, 834321, 1668642, 3615391, 7230782, 10846173, 21692346]

約数ペア:

[(1, 21692346), (2, 10846173), (3, 7230782), (6, 3615391), (13, 1668642), (26, 834321), (39, 556214), (71, 305526), (78, 278107), (142, 152763), (213, 101842), (426, 50921), (923, 23502), (1846, 11751), (2769, 7834), (3917, 5538)]