21371084

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14401}}^1$

素因数の和:14465

約数の個数: 24

約数和(自身を含む): 43551648

約数和(自身を除く): 22180564

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14401, 28802, 57604, 100807, 201614, 403228, 763253, 1526506, 3053012, 5342771, 10685542, 21371084]

約数ペア:

[(1, 21371084), (2, 10685542), (4, 5342771), (7, 3053012), (14, 1526506), (28, 763253), (53, 403228), (106, 201614), (212, 100807), (371, 57604), (742, 28802), (1484, 14401)]