21085977

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8753}}^1$

素因数の和:8840

約数の個数: 16

約数和(自身を含む): 31094208

約数和(自身を除く): 10008231

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8753, 26259, 96283, 288849, 638969, 1916907, 7028659, 21085977]

約数ペア:

[(1, 21085977), (3, 7028659), (11, 1916907), (33, 638969), (73, 288849), (219, 96283), (803, 26259), (2409, 8753)]