21154833

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11579}}^1$

素因数の和:11621

約数の個数: 24

約数和(自身を含む): 36129600

約数和(自身を除く): 14974767

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 11579, 34737, 81053, 104211, 243159, 335791, 729477, 1007373, 2350537, 3022119, 7051611, 21154833]

約数ペア:

[(1, 21154833), (3, 7051611), (7, 3022119), (9, 2350537), (21, 1007373), (29, 729477), (63, 335791), (87, 243159), (203, 104211), (261, 81053), (609, 34737), (1827, 11579)]