21088184

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 44208360

約数和(自身を除く): 23120176

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 211, 248, 403, 422, 806, 844, 961, 1612, 1688, 1922, 2743, 3224, 3844, 5486, 6541, 7688, 10972, 12493, 13082, 21944, 24986, 26164, 49972, 52328, 85033, 99944, 170066, 202771, 340132, 405542, 680264, 811084, 1622168, 2636023, 5272046, 10544092, 21088184]

約数ペア:

[(1, 21088184), (2, 10544092), (4, 5272046), (8, 2636023), (13, 1622168), (26, 811084), (31, 680264), (52, 405542), (62, 340132), (104, 202771), (124, 170066), (211, 99944), (248, 85033), (403, 52328), (422, 49972), (806, 26164), (844, 24986), (961, 21944), (1612, 13082), (1688, 12493), (1922, 10972), (2743, 7688), (3224, 6541), (3844, 5486)]