21809208

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{14897}}^1$

素因数の和:14967

約数の個数: 32

約数和(自身を含む): 55420560

約数和(自身を除く): 33611352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 14897, 29794, 44691, 59588, 89382, 119176, 178764, 357528, 908717, 1817434, 2726151, 3634868, 5452302, 7269736, 10904604, 21809208]

約数ペア:

[(1, 21809208), (2, 10904604), (3, 7269736), (4, 5452302), (6, 3634868), (8, 2726151), (12, 1817434), (24, 908717), (61, 357528), (122, 178764), (183, 119176), (244, 89382), (366, 59588), (488, 44691), (732, 29794), (1464, 14897)]