21785050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{929}}^1$

素因数の和:1015

約数の個数: 48

約数和(自身を含む): 47050560

約数和(自身を除く): 25265510

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 67, 70, 134, 175, 335, 350, 469, 670, 929, 938, 1675, 1858, 2345, 3350, 4645, 4690, 6503, 9290, 11725, 13006, 23225, 23450, 32515, 46450, 62243, 65030, 124486, 162575, 311215, 325150, 435701, 622430, 871402, 1556075, 2178505, 3112150, 4357010, 10892525, 21785050]

約数ペア:

[(1, 21785050), (2, 10892525), (5, 4357010), (7, 3112150), (10, 2178505), (14, 1556075), (25, 871402), (35, 622430), (50, 435701), (67, 325150), (70, 311215), (134, 162575), (175, 124486), (335, 65030), (350, 62243), (469, 46450), (670, 32515), (929, 23450), (938, 23225), (1675, 13006), (1858, 11725), (2345, 9290), (3350, 6503), (4645, 4690)]