21844745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 30536352

約数和(自身を除く): 8691607

約数列:

[1, 5, 13, 17, 53, 65, 85, 221, 265, 373, 689, 901, 1105, 1865, 3445, 4505, 4849, 6341, 11713, 19769, 24245, 31705, 58565, 82433, 98845, 256997, 336073, 412165, 1284985, 1680365, 4368949, 21844745]

約数ペア:

[(1, 21844745), (5, 4368949), (13, 1680365), (17, 1284985), (53, 412165), (65, 336073), (85, 256997), (221, 98845), (265, 82433), (373, 58565), (689, 31705), (901, 24245), (1105, 19769), (1865, 11713), (3445, 6341), (4505, 4849)]