21898110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{56149}}^1$

素因数の和:56172

約数の個数: 32

約数和(自身を含む): 56599200

約数和(自身を除く): 34701090

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 56149, 112298, 168447, 280745, 336894, 561490, 729937, 842235, 1459874, 1684470, 2189811, 3649685, 4379622, 7299370, 10949055, 21898110]

約数ペア:

[(1, 21898110), (2, 10949055), (3, 7299370), (5, 4379622), (6, 3649685), (10, 2189811), (13, 1684470), (15, 1459874), (26, 842235), (30, 729937), (39, 561490), (65, 336894), (78, 280745), (130, 168447), (195, 112298), (390, 56149)]