21162242

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2101

約数の個数: 16

約数和(自身を含む): 32643000

約数和(自身を除く): 11480758

約数列:

[1, 2, 61, 89, 122, 178, 1949, 3898, 5429, 10858, 118889, 173461, 237778, 346922, 10581121, 21162242]

約数ペア:

[(1, 21162242), (2, 10581121), (61, 346922), (89, 237778), (122, 173461), (178, 118889), (1949, 10858), (3898, 5429)]