21109711105

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{9002009}}^1$

素因数の和:9002088

約数の個数: 16

約数和(自身を含む): 29382560640

約数和(自身を除く): 8272849535

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 9002009, 45010045, 63014063, 315070315, 603134603, 3015673015, 4221942221, 21109711105]

約数ペア:

[(1, 21109711105), (5, 4221942221), (7, 3015673015), (35, 603134603), (67, 315070315), (335, 63014063), (469, 45010045), (2345, 9002009)]