21462490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43801}}^1$

素因数の和:43822

約数の個数: 24

約数和(自身を含む): 44940852

約数和(自身を除く): 23478362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 43801, 87602, 219005, 306607, 438010, 613214, 1533035, 2146249, 3066070, 4292498, 10731245, 21462490]

約数ペア:

[(1, 21462490), (2, 10731245), (5, 4292498), (7, 3066070), (10, 2146249), (14, 1533035), (35, 613214), (49, 438010), (70, 306607), (98, 219005), (245, 87602), (490, 43801)]