21944871

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 35409920

約数和(自身を除く): 13465049

約数列:

[1, 3, 9, 13, 27, 39, 103, 117, 309, 351, 607, 927, 1339, 1821, 2781, 4017, 5463, 7891, 12051, 16389, 23673, 36153, 62521, 71019, 187563, 213057, 562689, 812773, 1688067, 2438319, 7314957, 21944871]

約数ペア:

[(1, 21944871), (3, 7314957), (9, 2438319), (13, 1688067), (27, 812773), (39, 562689), (103, 213057), (117, 187563), (309, 71019), (351, 62521), (607, 36153), (927, 23673), (1339, 16389), (1821, 12051), (2781, 7891), (4017, 5463)]