21509874

素因数分解:

$2^1\times 3^6\times {\mathrm{14753}}^1$

素因数の和:14773

約数の個数: 28

約数和(自身を含む): 48378366

約数和(自身を除く): 26868492

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 14753, 29506, 44259, 88518, 132777, 265554, 398331, 796662, 1194993, 2389986, 3584979, 7169958, 10754937, 21509874]

約数ペア:

[(1, 21509874), (2, 10754937), (3, 7169958), (6, 3584979), (9, 2389986), (18, 1194993), (27, 796662), (54, 398331), (81, 265554), (162, 132777), (243, 88518), (486, 44259), (729, 29506), (1458, 14753)]