21517672

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{22229}}^1$

素因数の和:22257

約数の個数: 24

約数和(自身を含む): 44348850

約数和(自身を除く): 22831178

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 22229, 44458, 88916, 177832, 244519, 489038, 978076, 1956152, 2689709, 5379418, 10758836, 21517672]

約数ペア:

[(1, 21517672), (2, 10758836), (4, 5379418), (8, 2689709), (11, 1956152), (22, 978076), (44, 489038), (88, 244519), (121, 177832), (242, 88916), (484, 44458), (968, 22229)]