21643702906

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1\times {\mathrm{24007}}^1$

素因数の和:24994

約数の個数: 32

約数和(自身を含む): 37669128192

約数和(自身を除く): 16025425286

約数列:

[1, 2, 7, 14, 71, 142, 497, 907, 994, 1814, 6349, 12698, 24007, 48014, 64397, 128794, 168049, 336098, 450779, 901558, 1704497, 3408994, 11931479, 21774349, 23862958, 43548698, 152420443, 304840886, 1545978779, 3091957558, 10821851453, 21643702906]

約数ペア:

[(1, 21643702906), (2, 10821851453), (7, 3091957558), (14, 1545978779), (71, 304840886), (142, 152420443), (497, 43548698), (907, 23862958), (994, 21774349), (1814, 11931479), (6349, 3408994), (12698, 1704497), (24007, 901558), (48014, 450779), (64397, 336098), (128794, 168049)]