21833780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64217}}^1$

素因数の和:64243

約数の個数: 24

約数和(自身を含む): 48548808

約数和(自身を除く): 26715028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 64217, 128434, 256868, 321085, 642170, 1091689, 1284340, 2183378, 4366756, 5458445, 10916890, 21833780]

約数ペア:

[(1, 21833780), (2, 10916890), (4, 5458445), (5, 4366756), (10, 2183378), (17, 1284340), (20, 1091689), (34, 642170), (68, 321085), (85, 256868), (170, 128434), (340, 64217)]