21187824

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63059}}^1$

素因数の和:63077

約数の個数: 40

約数和(自身を含む): 62555520

約数和(自身を除く): 41367696

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63059, 126118, 189177, 252236, 378354, 441413, 504472, 756708, 882826, 1008944, 1324239, 1513416, 1765652, 2648478, 3026832, 3531304, 5296956, 7062608, 10593912, 21187824]

約数ペア:

[(1, 21187824), (2, 10593912), (3, 7062608), (4, 5296956), (6, 3531304), (7, 3026832), (8, 2648478), (12, 1765652), (14, 1513416), (16, 1324239), (21, 1008944), (24, 882826), (28, 756708), (42, 504472), (48, 441413), (56, 378354), (84, 252236), (112, 189177), (168, 126118), (336, 63059)]