21497124095

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{1237}}^1\times {\mathrm{65579}}^1$

素因数の和:66874

約数の個数: 16

約数和(自身を含む): 26304924960

約数和(自身を除く): 4807800865

約数列:

[1, 5, 53, 265, 1237, 6185, 65561, 65579, 327805, 327895, 3475687, 17378435, 81121223, 405606115, 4299424819, 21497124095]

約数ペア:

[(1, 21497124095), (5, 4299424819), (53, 405606115), (265, 81121223), (1237, 17378435), (6185, 3475687), (65561, 327895), (65579, 327805)]