217821410

素因数分解:

$2^1\times 5^1\times {\mathrm{4481}}^1\times {\mathrm{4861}}^1$

素因数の和:9349

約数の個数: 16

約数和(自身を含む): 392246712

約数和(自身を除く): 174425302

約数列:

[1, 2, 5, 10, 4481, 4861, 8962, 9722, 22405, 24305, 44810, 48610, 21782141, 43564282, 108910705, 217821410]

約数ペア:

[(1, 217821410), (2, 108910705), (5, 43564282), (10, 21782141), (4481, 48610), (4861, 44810), (8962, 24305), (9722, 22405)]