21457612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25667}}^1$

素因数の和:25701

約数の個数: 24

約数和(自身を含む): 43122240

約数和(自身を除く): 21664628

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25667, 51334, 102668, 282337, 487673, 564674, 975346, 1129348, 1950692, 5364403, 10728806, 21457612]

約数ペア:

[(1, 21457612), (2, 10728806), (4, 5364403), (11, 1950692), (19, 1129348), (22, 975346), (38, 564674), (44, 487673), (76, 282337), (209, 102668), (418, 51334), (836, 25667)]