21285099

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{7963}}^1$

素因数の和:7989

約数の個数: 24

約数和(自身を含む): 34786752

約数和(自身を除く): 13501653

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 891, 2673, 7963, 23889, 71667, 87593, 215001, 262779, 645003, 788337, 1935009, 2365011, 7095033, 21285099]

約数ペア:

[(1, 21285099), (3, 7095033), (9, 2365011), (11, 1935009), (27, 788337), (33, 645003), (81, 262779), (99, 215001), (243, 87593), (297, 71667), (891, 23889), (2673, 7963)]