21114447

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 28984320

約数和(自身を除く): 7869873

約数列:

[1, 3, 67, 73, 201, 219, 1439, 4317, 4891, 14673, 96413, 105047, 289239, 315141, 7038149, 21114447]

約数ペア:

[(1, 21114447), (3, 7038149), (67, 315141), (73, 289239), (201, 105047), (219, 96413), (1439, 14673), (4317, 4891)]