21114890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5849}}^1$

素因数の和:5894

約数の個数: 24

約数和(自身を含む): 40119300

約数和(自身を除く): 19004410

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5849, 11698, 29245, 58490, 111131, 222262, 555655, 1111310, 2111489, 4222978, 10557445, 21114890]

約数ペア:

[(1, 21114890), (2, 10557445), (5, 4222978), (10, 2111489), (19, 1111310), (38, 555655), (95, 222262), (190, 111131), (361, 58490), (722, 29245), (1805, 11698), (3610, 5849)]