21167249439

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{253321}}^1$

素因数の和:253527

約数の個数: 32

約数和(自身を含む): 33851925504

約数和(自身を除く): 12684676065

約数列:

[1, 3, 7, 21, 23, 69, 161, 173, 483, 519, 1211, 3633, 3979, 11937, 27853, 83559, 253321, 759963, 1773247, 5319741, 5826383, 17479149, 40784681, 43824533, 122354043, 131473599, 306771731, 920315193, 1007964259, 3023892777, 7055749813, 21167249439]

約数ペア:

[(1, 21167249439), (3, 7055749813), (7, 3023892777), (21, 1007964259), (23, 920315193), (69, 306771731), (161, 131473599), (173, 122354043), (483, 43824533), (519, 40784681), (1211, 17479149), (3633, 5826383), (3979, 5319741), (11937, 1773247), (27853, 759963), (83559, 253321)]