21643916

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10589}}^1$

素因数の和:10673

約数の個数: 24

約数和(自身を含む): 43884960

約数和(自身を除く): 22241044

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10589, 21178, 42356, 74123, 148246, 296492, 772997, 1545994, 3091988, 5410979, 10821958, 21643916]

約数ペア:

[(1, 21643916), (2, 10821958), (4, 5410979), (7, 3091988), (14, 1545994), (28, 772997), (73, 296492), (146, 148246), (292, 74123), (511, 42356), (1022, 21178), (2044, 10589)]