21829095

素因数分解:

$3^4\times 5^1\times {\mathrm{53899}}^1$

素因数の和:53916

約数の個数: 20

約数和(自身を含む): 39131400

約数和(自身を除く): 17302305

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 53899, 161697, 269495, 485091, 808485, 1455273, 2425455, 4365819, 7276365, 21829095]

約数ペア:

[(1, 21829095), (3, 7276365), (5, 4365819), (9, 2425455), (15, 1455273), (27, 808485), (45, 485091), (81, 269495), (135, 161697), (405, 53899)]