21210105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{202001}}^1$

素因数の和:202016

約数の個数: 16

約数和(自身を含む): 38784384

約数和(自身を除く): 17574279

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 202001, 606003, 1010005, 1414007, 3030015, 4242021, 7070035, 21210105]

約数ペア:

[(1, 21210105), (3, 7070035), (5, 4242021), (7, 3030015), (15, 1414007), (21, 1010005), (35, 606003), (105, 202001)]