21082215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18253}}^1$

素因数の和:18279

約数の個数: 32

約数和(自身を含む): 42057216

約数和(自身を除く): 20975001

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18253, 54759, 91265, 127771, 200783, 273795, 383313, 602349, 638855, 1003915, 1405481, 1916565, 3011745, 4216443, 7027405, 21082215]

約数ペア:

[(1, 21082215), (3, 7027405), (5, 4216443), (7, 3011745), (11, 1916565), (15, 1405481), (21, 1003915), (33, 638855), (35, 602349), (55, 383313), (77, 273795), (105, 200783), (165, 127771), (231, 91265), (385, 54759), (1155, 18253)]