20216133

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16889}}^1$

素因数の和:16921

約数の個数: 24

約数和(自身を含む): 35131200

約数和(自身を除く): 14915067

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16889, 50667, 118223, 152001, 320891, 354669, 962673, 1064007, 2246237, 2888019, 6738711, 20216133]

約数ペア:

[(1, 20216133), (3, 6738711), (7, 2888019), (9, 2246237), (19, 1064007), (21, 962673), (57, 354669), (63, 320891), (133, 152001), (171, 118223), (399, 50667), (1197, 16889)]