21087610082

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{695089}}^1$

素因数の和:695306

約数の個数: 32

約数和(自身を含む): 39636812160

約数和(自身を除く): 18549202078

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 394, 1379, 2167, 2758, 4334, 15169, 30338, 695089, 1390178, 4865623, 7645979, 9731246, 15291958, 53521853, 107043706, 136932533, 273865066, 958527731, 1506257863, 1917055462, 3012515726, 10543805041, 21087610082]

約数ペア:

[(1, 21087610082), (2, 10543805041), (7, 3012515726), (11, 1917055462), (14, 1506257863), (22, 958527731), (77, 273865066), (154, 136932533), (197, 107043706), (394, 53521853), (1379, 15291958), (2167, 9731246), (2758, 7645979), (4334, 4865623), (15169, 1390178), (30338, 695089)]