21000586019

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{4349}}^1\times {\mathrm{36307}}^1$

素因数の和:40682

約数の個数: 16

約数和(自身を含む): 25270368000

約数和(自身を除く): 4269781981

約数列:

[1, 7, 19, 133, 4349, 30443, 36307, 82631, 254149, 578417, 689833, 4828831, 157899143, 1105294001, 3000083717, 21000586019]

約数ペア:

[(1, 21000586019), (7, 3000083717), (19, 1105294001), (133, 157899143), (4349, 4828831), (30443, 689833), (36307, 578417), (82631, 254149)]