21935977

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 27086400

約数和(自身を除く): 5150423

約数列:

[1, 7, 29, 43, 49, 203, 301, 359, 1247, 1421, 2107, 2513, 8729, 10411, 15437, 17591, 61103, 72877, 108059, 447673, 510139, 756413, 3133711, 21935977]

約数ペア:

[(1, 21935977), (7, 3133711), (29, 756413), (43, 510139), (49, 447673), (203, 108059), (301, 72877), (359, 61103), (1247, 17591), (1421, 15437), (2107, 10411), (2513, 8729)]