21047752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239179}}^1$

素因数の和:239196

約数の個数: 16

約数和(自身を含む): 43052400

約数和(自身を除く): 22004648

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239179, 478358, 956716, 1913432, 2630969, 5261938, 10523876, 21047752]

約数ペア:

[(1, 21047752), (2, 10523876), (4, 5261938), (8, 2630969), (11, 1913432), (22, 956716), (44, 478358), (88, 239179)]