21844048

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{80309}}^1$

素因数の和:80334

約数の個数: 20

約数和(自身を含む): 44812980

約数和(自身を除く): 22968932

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 80309, 160618, 321236, 642472, 1284944, 1365253, 2730506, 5461012, 10922024, 21844048]

約数ペア:

[(1, 21844048), (2, 10922024), (4, 5461012), (8, 2730506), (16, 1365253), (17, 1284944), (34, 642472), (68, 321236), (136, 160618), (272, 80309)]