21459834474

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6398281}}^1$

素因数の和:6398342

約数の個数: 32

約数和(自身を含む): 47296100544

約数和(自身を除く): 25836266070

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6398281, 12796562, 19194843, 38389686, 83177653, 166355306, 249532959, 275126083, 499065918, 550252166, 825378249, 1650756498, 3576639079, 7153278158, 10729917237, 21459834474]

約数ペア:

[(1, 21459834474), (2, 10729917237), (3, 7153278158), (6, 3576639079), (13, 1650756498), (26, 825378249), (39, 550252166), (43, 499065918), (78, 275126083), (86, 249532959), (129, 166355306), (258, 83177653), (559, 38389686), (1118, 19194843), (1677, 12796562), (3354, 6398281)]