21376683

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 12837717

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 1187, 2001, 3561, 6003, 10683, 18009, 27301, 32049, 34423, 81903, 103269, 245709, 309807, 737127, 791729, 929421, 2375187, 7125561, 21376683]

約数ペア:

[(1, 21376683), (3, 7125561), (9, 2375187), (23, 929421), (27, 791729), (29, 737127), (69, 309807), (87, 245709), (207, 103269), (261, 81903), (621, 34423), (667, 32049), (783, 27301), (1187, 18009), (2001, 10683), (3561, 6003)]