21221002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{16349}}^1$

素因数の和:16421

約数の個数: 16

約数和(自身を含む): 35316000

約数和(自身を除く): 14094998

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 16349, 32698, 179839, 359678, 964591, 1929182, 10610501, 21221002]

約数ペア:

[(1, 21221002), (2, 10610501), (11, 1929182), (22, 964591), (59, 359678), (118, 179839), (649, 32698), (1298, 16349)]