21571742

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11971}}^1$

素因数の和:12043

約数の個数: 16

約数和(自身を含む): 34910352

約数和(自身を除く): 13338610

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11971, 23942, 203507, 407014, 634463, 1268926, 10785871, 21571742]

約数ペア:

[(1, 21571742), (2, 10785871), (17, 1268926), (34, 634463), (53, 407014), (106, 203507), (901, 23942), (1802, 11971)]