21802844

素因数分解:

$2^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:834

約数の個数: 36

約数和(自身を含む): 44710344

約数和(自身を除く): 22907500

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 173, 196, 346, 643, 692, 1211, 1286, 2422, 2572, 4501, 4844, 8477, 9002, 16954, 18004, 31507, 33908, 63014, 111239, 126028, 222478, 444956, 778673, 1557346, 3114692, 5450711, 10901422, 21802844]

約数ペア:

[(1, 21802844), (2, 10901422), (4, 5450711), (7, 3114692), (14, 1557346), (28, 778673), (49, 444956), (98, 222478), (173, 126028), (196, 111239), (346, 63014), (643, 33908), (692, 31507), (1211, 18004), (1286, 16954), (2422, 9002), (2572, 8477), (4501, 4844)]