21432776

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{50549}}^1$

素因数の和:50608

約数の個数: 16

約数和(自身を含む): 40945500

約数和(自身を除く): 19512724

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 50549, 101098, 202196, 404392, 2679097, 5358194, 10716388, 21432776]

約数ペア:

[(1, 21432776), (2, 10716388), (4, 5358194), (8, 2679097), (53, 404392), (106, 202196), (212, 101098), (424, 50549)]