21106005

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{21001}}^1$

素因数の和:21076

約数の個数: 16

約数和(自身を含む): 34275264

約数和(自身を除く): 13169259

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 21001, 63003, 105005, 315015, 1407067, 4221201, 7035335, 21106005]

約数ペア:

[(1, 21106005), (3, 7035335), (5, 4221201), (15, 1407067), (67, 315015), (201, 105005), (335, 63003), (1005, 21001)]