21084112

素因数分解:

$2^4\times 7^2\times {\mathrm{26893}}^1$

素因数の和:26915

約数の個数: 30

約数和(自身を含む): 47521698

約数和(自身を除く): 26437586

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 26893, 53786, 107572, 188251, 215144, 376502, 430288, 753004, 1317757, 1506008, 2635514, 3012016, 5271028, 10542056, 21084112]

約数ペア:

[(1, 21084112), (2, 10542056), (4, 5271028), (7, 3012016), (8, 2635514), (14, 1506008), (16, 1317757), (28, 753004), (49, 430288), (56, 376502), (98, 215144), (112, 188251), (196, 107572), (392, 53786), (784, 26893)]