21245682

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208291}}^1$

素因数の和:208313

約数の個数: 16

約数和(自身を含む): 44991072

約数和(自身を除く): 23745390

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208291, 416582, 624873, 1249746, 3540947, 7081894, 10622841, 21245682]

約数ペア:

[(1, 21245682), (2, 10622841), (3, 7081894), (6, 3540947), (17, 1249746), (34, 624873), (51, 416582), (102, 208291)]