21102987

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{4637}}^1$

素因数の和:4718

約数の個数: 16

約数和(自身を含む): 29608992

約数和(自身を除く): 8506005

約数列:

[1, 3, 37, 41, 111, 123, 1517, 4551, 4637, 13911, 171569, 190117, 514707, 570351, 7034329, 21102987]

約数ペア:

[(1, 21102987), (3, 7034329), (37, 570351), (41, 514707), (111, 190117), (123, 171569), (1517, 13911), (4551, 4637)]