21261494835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{152363}}^1$

素因数の和:152824

約数の個数: 48

約数和(自身を含む): 42213360384

約数和(自身を除く): 20951865549

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 443, 1329, 2215, 3101, 3987, 6645, 9303, 15505, 19935, 27909, 46515, 139545, 152363, 457089, 761815, 1066541, 1371267, 2285445, 3199623, 5332705, 6856335, 9598869, 15998115, 47994345, 67496809, 202490427, 337484045, 472477663, 607471281, 1012452135, 1417432989, 2362388315, 3037356405, 4252298967, 7087164945, 21261494835]

約数ペア:

[(1, 21261494835), (3, 7087164945), (5, 4252298967), (7, 3037356405), (9, 2362388315), (15, 1417432989), (21, 1012452135), (35, 607471281), (45, 472477663), (63, 337484045), (105, 202490427), (315, 67496809), (443, 47994345), (1329, 15998115), (2215, 9598869), (3101, 6856335), (3987, 5332705), (6645, 3199623), (9303, 2285445), (15505, 1371267), (19935, 1066541), (27909, 761815), (46515, 457089), (139545, 152363)]