21847826

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1599

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 22967854

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 1001, 1078, 1274, 1559, 2002, 3118, 7007, 10913, 14014, 17149, 20267, 21826, 34298, 40534, 76391, 120043, 141869, 152782, 222937, 240086, 283738, 445874, 840301, 993083, 1560559, 1680602, 1986166, 3121118, 10923913, 21847826]

約数ペア:

[(1, 21847826), (2, 10923913), (7, 3121118), (11, 1986166), (13, 1680602), (14, 1560559), (22, 993083), (26, 840301), (49, 445874), (77, 283738), (91, 240086), (98, 222937), (143, 152782), (154, 141869), (182, 120043), (286, 76391), (539, 40534), (637, 34298), (1001, 21826), (1078, 20267), (1274, 17149), (1559, 14014), (2002, 10913), (3118, 7007)]