21337204

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10733}}^1$

素因数の和:10815

約数の個数: 24

約数和(自身を含む): 43279488

約数和(自身を除く): 21942284

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10733, 21466, 42932, 75131, 150262, 300524, 762043, 1524086, 3048172, 5334301, 10668602, 21337204]

約数ペア:

[(1, 21337204), (2, 10668602), (4, 5334301), (7, 3048172), (14, 1524086), (28, 762043), (71, 300524), (142, 150262), (284, 75131), (497, 42932), (994, 21466), (1988, 10733)]