21587356

素因数分解:

$2^2\times 7^1\times {\mathrm{809}}^1\times {\mathrm{953}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 43273440

約数和(自身を除く): 21686084

約数列:

[1, 2, 4, 7, 14, 28, 809, 953, 1618, 1906, 3236, 3812, 5663, 6671, 11326, 13342, 22652, 26684, 770977, 1541954, 3083908, 5396839, 10793678, 21587356]

約数ペア:

[(1, 21587356), (2, 10793678), (4, 5396839), (7, 3083908), (14, 1541954), (28, 770977), (809, 26684), (953, 22652), (1618, 13342), (1906, 11326), (3236, 6671), (3812, 5663)]