21137892

素因数分解:

$2^2\times 3^1\times {\mathrm{1103}}^1\times {\mathrm{1597}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 49397376

約数和(自身を除く): 28259484

約数列:

[1, 2, 3, 4, 6, 12, 1103, 1597, 2206, 3194, 3309, 4412, 4791, 6388, 6618, 9582, 13236, 19164, 1761491, 3522982, 5284473, 7045964, 10568946, 21137892]

約数ペア:

[(1, 21137892), (2, 10568946), (3, 7045964), (4, 5284473), (6, 3522982), (12, 1761491), (1103, 19164), (1597, 13236), (2206, 9582), (3194, 6618), (3309, 6388), (4412, 4791)]