21074697

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 35838400

約数和(自身を除く): 14763703

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 199, 287, 369, 597, 861, 1393, 1681, 1791, 2583, 4179, 5043, 8159, 11767, 12537, 15129, 24477, 35301, 57113, 73431, 105903, 171339, 334519, 514017, 1003557, 2341633, 3010671, 7024899, 21074697]

約数ペア:

[(1, 21074697), (3, 7024899), (7, 3010671), (9, 2341633), (21, 1003557), (41, 514017), (63, 334519), (123, 171339), (199, 105903), (287, 73431), (369, 57113), (597, 35301), (861, 24477), (1393, 15129), (1681, 12537), (1791, 11767), (2583, 8159), (4179, 5043)]