21245382

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20707}}^1$

素因数の和:20737

約数の個数: 32

約数和(自身を含む): 49699200

約数和(自身を除く): 28453818

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20707, 41414, 62121, 124242, 186363, 372726, 393433, 559089, 786866, 1118178, 1180299, 2360598, 3540897, 7081794, 10622691, 21245382]

約数ペア:

[(1, 21245382), (2, 10622691), (3, 7081794), (6, 3540897), (9, 2360598), (18, 1180299), (19, 1118178), (27, 786866), (38, 559089), (54, 393433), (57, 372726), (114, 186363), (171, 124242), (342, 62121), (513, 41414), (1026, 20707)]