21078184

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 41068800

約数和(自身を除く): 19990616

約数列:

[1, 2, 4, 8, 47, 61, 94, 122, 188, 244, 376, 488, 919, 1838, 2867, 3676, 5734, 7352, 11468, 22936, 43193, 56059, 86386, 112118, 172772, 224236, 345544, 448472, 2634773, 5269546, 10539092, 21078184]

約数ペア:

[(1, 21078184), (2, 10539092), (4, 5269546), (8, 2634773), (47, 448472), (61, 345544), (94, 224236), (122, 172772), (188, 112118), (244, 86386), (376, 56059), (488, 43193), (919, 22936), (1838, 11468), (2867, 7352), (3676, 5734)]