21354618

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209359}}^1$

素因数の和:209381

約数の個数: 16

約数和(自身を含む): 45221760

約数和(自身を除く): 23867142

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209359, 418718, 628077, 1256154, 3559103, 7118206, 10677309, 21354618]

約数ペア:

[(1, 21354618), (2, 10677309), (3, 7118206), (6, 3559103), (17, 1256154), (34, 628077), (51, 418718), (102, 209359)]