21955659

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 34056960

約数和(自身を除く): 12101301

約数列:

[1, 3, 11, 19, 33, 57, 97, 209, 291, 361, 627, 1067, 1083, 1843, 3201, 3971, 5529, 6859, 11913, 20273, 20577, 35017, 60819, 75449, 105051, 226347, 385187, 665323, 1155561, 1995969, 7318553, 21955659]

約数ペア:

[(1, 21955659), (3, 7318553), (11, 1995969), (19, 1155561), (33, 665323), (57, 385187), (97, 226347), (209, 105051), (291, 75449), (361, 60819), (627, 35017), (1067, 20577), (1083, 20273), (1843, 11913), (3201, 6859), (3971, 5529)]