21861516

素因数分解:

$2^2\times 3^1\times {\mathrm{863}}^1\times {\mathrm{2111}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 51093504

約数和(自身を除く): 29231988

約数列:

[1, 2, 3, 4, 6, 12, 863, 1726, 2111, 2589, 3452, 4222, 5178, 6333, 8444, 10356, 12666, 25332, 1821793, 3643586, 5465379, 7287172, 10930758, 21861516]

約数ペア:

[(1, 21861516), (2, 10930758), (3, 7287172), (4, 5465379), (6, 3643586), (12, 1821793), (863, 25332), (1726, 12666), (2111, 10356), (2589, 8444), (3452, 6333), (4222, 5178)]