21042952

素因数分解:

$2^3\times 7^2\times {\mathrm{53681}}^1$

素因数の和:53701

約数の個数: 24

約数和(自身を含む): 45898110

約数和(自身を除く): 24855158

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53681, 107362, 214724, 375767, 429448, 751534, 1503068, 2630369, 3006136, 5260738, 10521476, 21042952]

約数ペア:

[(1, 21042952), (2, 10521476), (4, 5260738), (7, 3006136), (8, 2630369), (14, 1503068), (28, 751534), (49, 429448), (56, 375767), (98, 214724), (196, 107362), (392, 53681)]