21435645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 43554816

約数和(自身を除く): 22119171

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 67, 77, 105, 165, 201, 231, 277, 335, 385, 469, 737, 831, 1005, 1155, 1385, 1407, 1939, 2211, 2345, 3047, 3685, 4155, 5159, 5817, 7035, 9141, 9695, 11055, 15235, 15477, 18559, 21329, 25795, 29085, 45705, 55677, 63987, 77385, 92795, 106645, 129913, 204149, 278385, 319935, 389739, 612447, 649565, 1020745, 1429043, 1948695, 3062235, 4287129, 7145215, 21435645]

約数ペア:

[(1, 21435645), (3, 7145215), (5, 4287129), (7, 3062235), (11, 1948695), (15, 1429043), (21, 1020745), (33, 649565), (35, 612447), (55, 389739), (67, 319935), (77, 278385), (105, 204149), (165, 129913), (201, 106645), (231, 92795), (277, 77385), (335, 63987), (385, 55677), (469, 45705), (737, 29085), (831, 25795), (1005, 21329), (1155, 18559), (1385, 15477), (1407, 15235), (1939, 11055), (2211, 9695), (2345, 9141), (3047, 7035), (3685, 5817), (4155, 5159)]