21401295556

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{761}}^1\times {\mathrm{65707}}^1$

素因数の和:66579

約数の個数: 24

約数和(自身を含む): 37852538976

約数和(自身を除く): 16451243420

約数列:

[1, 2, 4, 107, 214, 428, 761, 1522, 3044, 65707, 81427, 131414, 162854, 262828, 325708, 7030649, 14061298, 28122596, 50003027, 100006054, 200012108, 5350323889, 10700647778, 21401295556]

約数ペア:

[(1, 21401295556), (2, 10700647778), (4, 5350323889), (107, 200012108), (214, 100006054), (428, 50003027), (761, 28122596), (1522, 14061298), (3044, 7030649), (65707, 325708), (81427, 262828), (131414, 162854)]