21209826

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3313}}^1$

素因数の和:3426

約数の個数: 32

約数和(自身を含む): 46767168

約数和(自身を除く): 25557342

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 97, 194, 291, 582, 1067, 2134, 3201, 3313, 6402, 6626, 9939, 19878, 36443, 72886, 109329, 218658, 321361, 642722, 964083, 1928166, 3534971, 7069942, 10604913, 21209826]

約数ペア:

[(1, 21209826), (2, 10604913), (3, 7069942), (6, 3534971), (11, 1928166), (22, 964083), (33, 642722), (66, 321361), (97, 218658), (194, 109329), (291, 72886), (582, 36443), (1067, 19878), (2134, 9939), (3201, 6626), (3313, 6402)]