21733616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79903}}^1$

素因数の和:79928

約数の個数: 20

約数和(自身を含む): 44586432

約数和(自身を除く): 22852816

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79903, 159806, 319612, 639224, 1278448, 1358351, 2716702, 5433404, 10866808, 21733616]

約数ペア:

[(1, 21733616), (2, 10866808), (4, 5433404), (8, 2716702), (16, 1358351), (17, 1278448), (34, 639224), (68, 319612), (136, 159806), (272, 79903)]