21694288

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17609}}^1$

素因数の和:17635

約数の個数: 40

約数和(自身を含む): 52407360

約数和(自身を除く): 30713072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17609, 35218, 70436, 123263, 140872, 193699, 246526, 281744, 387398, 493052, 774796, 986104, 1355893, 1549592, 1972208, 2711786, 3099184, 5423572, 10847144, 21694288]

約数ペア:

[(1, 21694288), (2, 10847144), (4, 5423572), (7, 3099184), (8, 2711786), (11, 1972208), (14, 1549592), (16, 1355893), (22, 986104), (28, 774796), (44, 493052), (56, 387398), (77, 281744), (88, 246526), (112, 193699), (154, 140872), (176, 123263), (308, 70436), (616, 35218), (1232, 17609)]