21253893

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{5021}}^1$

素因数の和:5124

約数の個数: 16

約数和(自身を含む): 30373056

約数和(自身を除く): 9119163

約数列:

[1, 3, 17, 51, 83, 249, 1411, 4233, 5021, 15063, 85357, 256071, 416743, 1250229, 7084631, 21253893]

約数ペア:

[(1, 21253893), (3, 7084631), (17, 1250229), (51, 416743), (83, 256071), (249, 85357), (1411, 15063), (4233, 5021)]