21363580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152597}}^1$

素因数の和:152613

約数の個数: 24

約数和(自身を含む): 51272928

約数和(自身を除く): 29909348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152597, 305194, 610388, 762985, 1068179, 1525970, 2136358, 3051940, 4272716, 5340895, 10681790, 21363580]

約数ペア:

[(1, 21363580), (2, 10681790), (4, 5340895), (5, 4272716), (7, 3051940), (10, 2136358), (14, 1525970), (20, 1068179), (28, 762985), (35, 610388), (70, 305194), (140, 152597)]