21810429

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 32380920

約数和(自身を除く): 10570491

約数列:

[1, 3, 9, 73, 89, 219, 267, 373, 657, 801, 1119, 3357, 6497, 19491, 27229, 33197, 58473, 81687, 99591, 245061, 298773, 2423381, 7270143, 21810429]

約数ペア:

[(1, 21810429), (3, 7270143), (9, 2423381), (73, 298773), (89, 245061), (219, 99591), (267, 81687), (373, 58473), (657, 33197), (801, 27229), (1119, 19491), (3357, 6497)]