21420442

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20323}}^1$

素因数の和:20373

約数の個数: 16

約数和(自身を含む): 35119872

約数和(自身を除く): 13699430

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20323, 40646, 345491, 630013, 690982, 1260026, 10710221, 21420442]

約数ペア:

[(1, 21420442), (2, 10710221), (17, 1260026), (31, 690982), (34, 630013), (62, 345491), (527, 40646), (1054, 20323)]