21484498

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90271}}^1$

素因数の和:90297

約数の個数: 16

約数和(自身を含む): 38997504

約数和(自身を除く): 17513006

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90271, 180542, 631897, 1263794, 1534607, 3069214, 10742249, 21484498]

約数ペア:

[(1, 21484498), (2, 10742249), (7, 3069214), (14, 1534607), (17, 1263794), (34, 631897), (119, 180542), (238, 90271)]