21460538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51341}}^1$

素因数の和:51373

約数の個数: 16

約数和(自身を含む): 36966240

約数和(自身を除く): 15505702

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51341, 102682, 564751, 975479, 1129502, 1950958, 10730269, 21460538]

約数ペア:

[(1, 21460538), (2, 10730269), (11, 1950958), (19, 1129502), (22, 975479), (38, 564751), (209, 102682), (418, 51341)]