21190946

素因数分解:

$2^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1871}}^1$

素因数の和:2689

約数の個数: 16

約数和(自身を含む): 36391680

約数和(自身を除く): 15200734

約数列:

[1, 2, 7, 14, 809, 1618, 1871, 3742, 5663, 11326, 13097, 26194, 1513639, 3027278, 10595473, 21190946]

約数ペア:

[(1, 21190946), (2, 10595473), (7, 3027278), (14, 1513639), (809, 26194), (1618, 13097), (1871, 11326), (3742, 5663)]