21000322586

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1\times {\mathrm{1999}}^1$

素因数の和:2630

約数の個数: 32

約数和(自身を含む): 32152032000

約数和(自身を除く): 11151709414

約数列:

[1, 2, 101, 131, 202, 262, 397, 794, 1999, 3998, 13231, 26462, 40097, 52007, 80194, 104014, 201899, 261869, 403798, 523738, 793603, 1587206, 5252707, 10505414, 26448769, 52897538, 80153903, 103961993, 160307806, 207923986, 10500161293, 21000322586]

約数ペア:

[(1, 21000322586), (2, 10500161293), (101, 207923986), (131, 160307806), (202, 103961993), (262, 80153903), (397, 52897538), (794, 26448769), (1999, 10505414), (3998, 5252707), (13231, 1587206), (26462, 793603), (40097, 523738), (52007, 403798), (80194, 261869), (104014, 201899)]