21707079681

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{352909}}^1$

素因数の和:353049

約数の個数: 32

約数和(自身を含む): 34556947200

約数和(自身を除く): 12849867519

約数列:

[1, 3, 7, 21, 29, 87, 101, 203, 303, 609, 707, 2121, 2929, 8787, 20503, 61509, 352909, 1058727, 2470363, 7411089, 10234361, 30703083, 35643809, 71640527, 106931427, 214921581, 249506663, 748519989, 1033670461, 3101011383, 7235693227, 21707079681]

約数ペア:

[(1, 21707079681), (3, 7235693227), (7, 3101011383), (21, 1033670461), (29, 748519989), (87, 249506663), (101, 214921581), (203, 106931427), (303, 71640527), (609, 35643809), (707, 30703083), (2121, 10234361), (2929, 7411089), (8787, 2470363), (20503, 1058727), (61509, 352909)]