2100525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{4001}}^1$

素因数の和:4021

約数の個数: 24

約数和(自身を含む): 3969984

約数和(自身を除く): 1869459

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 4001, 12003, 20005, 28007, 60015, 84021, 100025, 140035, 300075, 420105, 700175, 2100525]

約数ペア:

[(1, 2100525), (3, 700175), (5, 420105), (7, 300075), (15, 140035), (21, 100025), (25, 84021), (35, 60015), (75, 28007), (105, 20005), (175, 12003), (525, 4001)]