21187672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{240769}}^1$

素因数の和:240786

約数の個数: 16

約数和(自身を含む): 43338600

約数和(自身を除く): 22150928

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 240769, 481538, 963076, 1926152, 2648459, 5296918, 10593836, 21187672]

約数ペア:

[(1, 21187672), (2, 10593836), (4, 5296918), (8, 2648459), (11, 1926152), (22, 963076), (44, 481538), (88, 240769)]