21887730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243197}}^1$

素因数の和:243210

約数の個数: 24

約数和(自身を含む): 56908332

約数和(自身を除く): 35020602

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243197, 486394, 729591, 1215985, 1459182, 2188773, 2431970, 3647955, 4377546, 7295910, 10943865, 21887730]

約数ペア:

[(1, 21887730), (2, 10943865), (3, 7295910), (5, 4377546), (6, 3647955), (9, 2431970), (10, 2188773), (15, 1459182), (18, 1215985), (30, 729591), (45, 486394), (90, 243197)]