21942825

素因数分解:

$3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{953}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 36435168

約数和(自身を除く): 14492343

約数列:

[1, 3, 5, 15, 25, 75, 307, 921, 953, 1535, 2859, 4605, 4765, 7675, 14295, 23025, 23825, 71475, 292571, 877713, 1462855, 4388565, 7314275, 21942825]

約数ペア:

[(1, 21942825), (3, 7314275), (5, 4388565), (15, 1462855), (25, 877713), (75, 292571), (307, 71475), (921, 23825), (953, 23025), (1535, 14295), (2859, 7675), (4605, 4765)]