21104485146

素因数分解:

$2^1\times 3^3\times {\mathrm{1109}}^1\times {\mathrm{352411}}^1$

素因数の和:353531

約数の個数: 32

約数和(自身を含む): 46941278400

約数和(自身を除く): 25836793254

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1109, 2218, 3327, 6654, 9981, 19962, 29943, 59886, 352411, 704822, 1057233, 2114466, 3171699, 6343398, 9515097, 19030194, 390823799, 781647598, 1172471397, 2344942794, 3517414191, 7034828382, 10552242573, 21104485146]

約数ペア:

[(1, 21104485146), (2, 10552242573), (3, 7034828382), (6, 3517414191), (9, 2344942794), (18, 1172471397), (27, 781647598), (54, 390823799), (1109, 19030194), (2218, 9515097), (3327, 6343398), (6654, 3171699), (9981, 2114466), (19962, 1057233), (29943, 704822), (59886, 352411)]