21288322

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50929}}^1$

素因数の和:50961

約数の個数: 16

約数和(自身を含む): 36669600

約数和(自身を除く): 15381278

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50929, 101858, 560219, 967651, 1120438, 1935302, 10644161, 21288322]

約数ペア:

[(1, 21288322), (2, 10644161), (11, 1935302), (19, 1120438), (22, 967651), (38, 560219), (209, 101858), (418, 50929)]