21742616

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2473}}^1$

素因数の和:2643

約数の個数: 32

約数和(自身を含む): 46907040

約数和(自身を除く): 25164424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 2473, 4396, 4946, 8792, 9892, 17311, 19784, 34622, 69244, 138488, 388261, 776522, 1553044, 2717827, 3106088, 5435654, 10871308, 21742616]

約数ペア:

[(1, 21742616), (2, 10871308), (4, 5435654), (7, 3106088), (8, 2717827), (14, 1553044), (28, 776522), (56, 388261), (157, 138488), (314, 69244), (628, 34622), (1099, 19784), (1256, 17311), (2198, 9892), (2473, 8792), (4396, 4946)]