21066452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{683}}^1\times {\mathrm{701}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 40334112

約数和(自身を除く): 19267660

約数列:

[1, 2, 4, 11, 22, 44, 683, 701, 1366, 1402, 2732, 2804, 7513, 7711, 15026, 15422, 30052, 30844, 478783, 957566, 1915132, 5266613, 10533226, 21066452]

約数ペア:

[(1, 21066452), (2, 10533226), (4, 5266613), (11, 1915132), (22, 957566), (44, 478783), (683, 30844), (701, 30052), (1366, 15422), (1402, 15026), (2732, 7711), (2804, 7513)]