21019203

素因数分解:

$3^3\times {\mathrm{467}}^1\times {\mathrm{1667}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 31224960

約数和(自身を除く): 10205757

約数列:

[1, 3, 9, 27, 467, 1401, 1667, 4203, 5001, 12609, 15003, 45009, 778489, 2335467, 7006401, 21019203]

約数ペア:

[(1, 21019203), (3, 7006401), (9, 2335467), (27, 778489), (467, 45009), (1401, 15003), (1667, 12609), (4203, 5001)]