21347876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{653}}^1\times {\mathrm{743}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 40872384

約数和(自身を除く): 19524508

約数列:

[1, 2, 4, 11, 22, 44, 653, 743, 1306, 1486, 2612, 2972, 7183, 8173, 14366, 16346, 28732, 32692, 485179, 970358, 1940716, 5336969, 10673938, 21347876]

約数ペア:

[(1, 21347876), (2, 10673938), (4, 5336969), (11, 1940716), (22, 970358), (44, 485179), (653, 32692), (743, 28732), (1306, 16346), (1486, 14366), (2612, 8173), (2972, 7183)]