21447071515

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1\times {\mathrm{5261}}^1$

素因数の和:5659

約数の個数: 32

約数和(自身を含む): 26827612416

約数和(自身を除く): 5380540901

約数列:

[1, 5, 43, 67, 215, 283, 335, 1415, 2881, 5261, 12169, 14405, 18961, 26305, 60845, 94805, 226223, 352487, 815323, 1131115, 1488863, 1762435, 4076615, 7444315, 15156941, 64021109, 75784705, 99753821, 320105545, 498769105, 4289414303, 21447071515]

約数ペア:

[(1, 21447071515), (5, 4289414303), (43, 498769105), (67, 320105545), (215, 99753821), (283, 75784705), (335, 64021109), (1415, 15156941), (2881, 7444315), (5261, 4076615), (12169, 1762435), (14405, 1488863), (18961, 1131115), (26305, 815323), (60845, 352487), (94805, 226223)]