21798909

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3863}}^1$

素因数の和:3902

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 15295491

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3863, 5643, 11589, 34767, 42493, 73397, 104301, 127479, 220191, 382437, 660573, 807367, 1147311, 1981719, 2422101, 7266303, 21798909]

約数ペア:

[(1, 21798909), (3, 7266303), (9, 2422101), (11, 1981719), (19, 1147311), (27, 807367), (33, 660573), (57, 382437), (99, 220191), (171, 127479), (209, 104301), (297, 73397), (513, 42493), (627, 34767), (1881, 11589), (3863, 5643)]