21212625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{8081}}^1$

素因数の和:8106

約数の個数: 32

約数和(自身を含む): 40345344

約数和(自身を除く): 19132719

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 8081, 24243, 40405, 56567, 121215, 169701, 202025, 282835, 606075, 848505, 1010125, 1414175, 3030375, 4242525, 7070875, 21212625]

約数ペア:

[(1, 21212625), (3, 7070875), (5, 4242525), (7, 3030375), (15, 1414175), (21, 1010125), (25, 848505), (35, 606075), (75, 282835), (105, 202025), (125, 169701), (175, 121215), (375, 56567), (525, 40405), (875, 24243), (2625, 8081)]