21977964

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{8363}}^1$

素因数の和:8446

約数の個数: 36

約数和(自身を含む): 56323176

約数和(自身を除く): 34345212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 8363, 16726, 25089, 33452, 50178, 75267, 100356, 150534, 301068, 610499, 1220998, 1831497, 2441996, 3662994, 5494491, 7325988, 10988982, 21977964]

約数ペア:

[(1, 21977964), (2, 10988982), (3, 7325988), (4, 5494491), (6, 3662994), (9, 2441996), (12, 1831497), (18, 1220998), (36, 610499), (73, 301068), (146, 150534), (219, 100356), (292, 75267), (438, 50178), (657, 33452), (876, 25089), (1314, 16726), (2628, 8363)]