21000980238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500023339}}^1$

素因数の和:500023351

約数の個数: 16

約数和(自身を含む): 48002240640

約数和(自身を除く): 27001260402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500023339, 1000046678, 1500070017, 3000140034, 3500163373, 7000326746, 10500490119, 21000980238]

約数ペア:

[(1, 21000980238), (2, 10500490119), (3, 7000326746), (6, 3500163373), (7, 3000140034), (14, 1500070017), (21, 1000046678), (42, 500023339)]