21066684

素因数分解:

$2^2\times 3^1\times {\mathrm{389}}^1\times {\mathrm{4513}}^1$

素因数の和:4909

約数の個数: 24

約数和(自身を含む): 49292880

約数和(自身を除く): 28226196

約数列:

[1, 2, 3, 4, 6, 12, 389, 778, 1167, 1556, 2334, 4513, 4668, 9026, 13539, 18052, 27078, 54156, 1755557, 3511114, 5266671, 7022228, 10533342, 21066684]

約数ペア:

[(1, 21066684), (2, 10533342), (3, 7022228), (4, 5266671), (6, 3511114), (12, 1755557), (389, 54156), (778, 27078), (1167, 18052), (1556, 13539), (2334, 9026), (4513, 4668)]