21777814

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1$

素因数の和:891

約数の個数: 16

約数和(自身を含む): 33322176

約数和(自身を除く): 11544362

約数列:

[1, 2, 67, 134, 331, 491, 662, 982, 22177, 32897, 44354, 65794, 162521, 325042, 10888907, 21777814]

約数ペア:

[(1, 21777814), (2, 10888907), (67, 325042), (134, 162521), (331, 65794), (491, 44354), (662, 32897), (982, 22177)]