21867535

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 26943840

約数和(自身を除く): 5076305

約数列:

[1, 5, 53, 179, 265, 461, 895, 2305, 9487, 24433, 47435, 82519, 122165, 412595, 4373507, 21867535]

約数ペア:

[(1, 21867535), (5, 4373507), (53, 412595), (179, 122165), (265, 82519), (461, 47435), (895, 24433), (2305, 9487)]