21922571

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1987}}^1$

素因数の和:2074

約数の個数: 16

約数和(自身を含む): 25764480

約数和(自身を除く): 3841909

約数列:

[1, 11, 17, 59, 187, 649, 1003, 1987, 11033, 21857, 33779, 117233, 371569, 1289563, 1992961, 21922571]

約数ペア:

[(1, 21922571), (11, 1992961), (17, 1289563), (59, 371569), (187, 117233), (649, 33779), (1003, 21857), (1987, 11033)]