21247002

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56209}}^1$

素因数の和:56227

約数の個数: 32

約数和(自身を含む): 53961600

約数和(自身を除く): 32714598

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56209, 112418, 168627, 337254, 393463, 505881, 786926, 1011762, 1180389, 1517643, 2360778, 3035286, 3541167, 7082334, 10623501, 21247002]

約数ペア:

[(1, 21247002), (2, 10623501), (3, 7082334), (6, 3541167), (7, 3035286), (9, 2360778), (14, 1517643), (18, 1180389), (21, 1011762), (27, 786926), (42, 505881), (54, 393463), (63, 337254), (126, 168627), (189, 112418), (378, 56209)]