21077895

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34273}}^1$

素因数の和:34322

約数の個数: 16

約数和(自身を含む): 34548192

約数和(自身を除く): 13470297

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 34273, 102819, 171365, 514095, 1405193, 4215579, 7025965, 21077895]

約数ペア:

[(1, 21077895), (3, 7025965), (5, 4215579), (15, 1405193), (41, 514095), (123, 171365), (205, 102819), (615, 34273)]