21453138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170263}}^1$

素因数の和:170278

約数の個数: 24

約数和(自身を含む): 53122368

約数和(自身を除く): 31669230

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170263, 340526, 510789, 1021578, 1191841, 1532367, 2383682, 3064734, 3575523, 7151046, 10726569, 21453138]

約数ペア:

[(1, 21453138), (2, 10726569), (3, 7151046), (6, 3575523), (7, 3064734), (9, 2383682), (14, 1532367), (18, 1191841), (21, 1021578), (42, 510789), (63, 340526), (126, 170263)]