21998970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34919}}^1$

素因数の和:34939

約数の個数: 48

約数和(自身を含む): 65370240

約数和(自身を除く): 43371270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34919, 69838, 104757, 174595, 209514, 244433, 314271, 349190, 488866, 523785, 628542, 733299, 1047570, 1222165, 1466598, 1571355, 2199897, 2444330, 3142710, 3666495, 4399794, 7332990, 10999485, 21998970]

約数ペア:

[(1, 21998970), (2, 10999485), (3, 7332990), (5, 4399794), (6, 3666495), (7, 3142710), (9, 2444330), (10, 2199897), (14, 1571355), (15, 1466598), (18, 1222165), (21, 1047570), (30, 733299), (35, 628542), (42, 523785), (45, 488866), (63, 349190), (70, 314271), (90, 244433), (105, 209514), (126, 174595), (210, 104757), (315, 69838), (630, 34919)]