21746460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1237}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 61147296

約数和(自身を除く): 39400836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 293, 586, 879, 1172, 1237, 1465, 1758, 2474, 2930, 3516, 3711, 4395, 4948, 5860, 6185, 7422, 8790, 12370, 14844, 17580, 18555, 24740, 37110, 74220, 362441, 724882, 1087323, 1449764, 1812205, 2174646, 3624410, 4349292, 5436615, 7248820, 10873230, 21746460]

約数ペア:

[(1, 21746460), (2, 10873230), (3, 7248820), (4, 5436615), (5, 4349292), (6, 3624410), (10, 2174646), (12, 1812205), (15, 1449764), (20, 1087323), (30, 724882), (60, 362441), (293, 74220), (586, 37110), (879, 24740), (1172, 18555), (1237, 17580), (1465, 14844), (1758, 12370), (2474, 8790), (2930, 7422), (3516, 6185), (3711, 5860), (4395, 4948)]