21378486

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{12329}}^1$

素因数の和:12368

約数の個数: 24

約数和(自身を含む): 45423720

約数和(自身を除く): 24045234

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 289, 578, 867, 1734, 12329, 24658, 36987, 73974, 209593, 419186, 628779, 1257558, 3563081, 7126162, 10689243, 21378486]

約数ペア:

[(1, 21378486), (2, 10689243), (3, 7126162), (6, 3563081), (17, 1257558), (34, 628779), (51, 419186), (102, 209593), (289, 73974), (578, 36987), (867, 24658), (1734, 12329)]