21842128

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17729}}^1$

素因数の和:17755

約数の個数: 40

約数和(自身を含む): 52764480

約数和(自身を除く): 30922352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17729, 35458, 70916, 124103, 141832, 195019, 248206, 283664, 390038, 496412, 780076, 992824, 1365133, 1560152, 1985648, 2730266, 3120304, 5460532, 10921064, 21842128]

約数ペア:

[(1, 21842128), (2, 10921064), (4, 5460532), (7, 3120304), (8, 2730266), (11, 1985648), (14, 1560152), (16, 1365133), (22, 992824), (28, 780076), (44, 496412), (56, 390038), (77, 283664), (88, 248206), (112, 195019), (154, 141832), (176, 124103), (308, 70916), (616, 35458), (1232, 17729)]