21563685

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1117}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 45077760

約数和(自身を除く): 23514075

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 135, 143, 165, 195, 297, 351, 429, 495, 585, 715, 1117, 1287, 1485, 1755, 2145, 3351, 3861, 5585, 6435, 10053, 12287, 14521, 16755, 19305, 30159, 36861, 43563, 50265, 61435, 72605, 110583, 130689, 150795, 159731, 184305, 217815, 331749, 392067, 479193, 552915, 653445, 798655, 1437579, 1658745, 1960335, 2395965, 4312737, 7187895, 21563685]

約数ペア:

[(1, 21563685), (3, 7187895), (5, 4312737), (9, 2395965), (11, 1960335), (13, 1658745), (15, 1437579), (27, 798655), (33, 653445), (39, 552915), (45, 479193), (55, 392067), (65, 331749), (99, 217815), (117, 184305), (135, 159731), (143, 150795), (165, 130689), (195, 110583), (297, 72605), (351, 61435), (429, 50265), (495, 43563), (585, 36861), (715, 30159), (1117, 19305), (1287, 16755), (1485, 14521), (1755, 12287), (2145, 10053), (3351, 6435), (3861, 5585)]