2181340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15581}}^1$

素因数の和:15597

約数の個数: 24

約数和(自身を含む): 5235552

約数和(自身を除く): 3054212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15581, 31162, 62324, 77905, 109067, 155810, 218134, 311620, 436268, 545335, 1090670, 2181340]

約数ペア:

[(1, 2181340), (2, 1090670), (4, 545335), (5, 436268), (7, 311620), (10, 218134), (14, 155810), (20, 109067), (28, 77905), (35, 62324), (70, 31162), (140, 15581)]