21766460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64019}}^1$

素因数の和:64045

約数の個数: 24

約数和(自身を含む): 48399120

約数和(自身を除く): 26632660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 64019, 128038, 256076, 320095, 640190, 1088323, 1280380, 2176646, 4353292, 5441615, 10883230, 21766460]

約数ペア:

[(1, 21766460), (2, 10883230), (4, 5441615), (5, 4353292), (10, 2176646), (17, 1280380), (20, 1088323), (34, 640190), (68, 320095), (85, 256076), (170, 128038), (340, 64019)]