21972249

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 35683200

約数和(自身を除く): 13710951

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 1061, 1593, 2301, 3183, 6903, 9549, 13793, 20709, 28647, 41379, 62599, 124137, 187797, 372411, 563391, 813787, 1690173, 2441361, 7324083, 21972249]

約数ペア:

[(1, 21972249), (3, 7324083), (9, 2441361), (13, 1690173), (27, 813787), (39, 563391), (59, 372411), (117, 187797), (177, 124137), (351, 62599), (531, 41379), (767, 28647), (1061, 20709), (1593, 13793), (2301, 9549), (3183, 6903)]