21552993

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1515

約数の個数: 48

約数和(自身を含む): 40547520

約数和(自身を除く): 18994527

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 1323, 1481, 1617, 2079, 4443, 4851, 10367, 13329, 14553, 16291, 31101, 39987, 48873, 72569, 93303, 114037, 146619, 217707, 279909, 342111, 439857, 653121, 798259, 1026333, 1959363, 2394777, 3078999, 7184331, 21552993]

約数ペア:

[(1, 21552993), (3, 7184331), (7, 3078999), (9, 2394777), (11, 1959363), (21, 1026333), (27, 798259), (33, 653121), (49, 439857), (63, 342111), (77, 279909), (99, 217707), (147, 146619), (189, 114037), (231, 93303), (297, 72569), (441, 48873), (539, 39987), (693, 31101), (1323, 16291), (1481, 14553), (1617, 13329), (2079, 10367), (4443, 4851)]