21281176

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{1297}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 45793440

約数和(自身を除く): 24512264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 1297, 2051, 2344, 2594, 4102, 5188, 8204, 9079, 10376, 16408, 18158, 36316, 72632, 380021, 760042, 1520084, 2660147, 3040168, 5320294, 10640588, 21281176]

約数ペア:

[(1, 21281176), (2, 10640588), (4, 5320294), (7, 3040168), (8, 2660147), (14, 1520084), (28, 760042), (56, 380021), (293, 72632), (586, 36316), (1172, 18158), (1297, 16408), (2051, 10376), (2344, 9079), (2594, 8204), (4102, 5188)]