21000638862

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{166671737}}^1$

素因数の和:166671752

約数の個数: 24

約数和(自身を含む): 52001582256

約数和(自身を除く): 31000943394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 166671737, 333343474, 500015211, 1000030422, 1166702159, 1500045633, 2333404318, 3000091266, 3500106477, 7000212954, 10500319431, 21000638862]

約数ペア:

[(1, 21000638862), (2, 10500319431), (3, 7000212954), (6, 3500106477), (7, 3000091266), (9, 2333404318), (14, 1500045633), (18, 1166702159), (21, 1000030422), (42, 500015211), (63, 333343474), (126, 166671737)]