21784653

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1789}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 36086400

約数和(自身を除く): 14301747

約数列:

[1, 3, 9, 11, 27, 33, 41, 99, 123, 297, 369, 451, 1107, 1353, 1789, 4059, 5367, 12177, 16101, 19679, 48303, 59037, 73349, 177111, 220047, 531333, 660141, 806839, 1980423, 2420517, 7261551, 21784653]

約数ペア:

[(1, 21784653), (3, 7261551), (9, 2420517), (11, 1980423), (27, 806839), (33, 660141), (41, 531333), (99, 220047), (123, 177111), (297, 73349), (369, 59037), (451, 48303), (1107, 19679), (1353, 16101), (1789, 12177), (4059, 5367)]