21197372

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5779}}^1$

素因数の和:5921

約数の個数: 24

約数和(自身を含む): 42725760

約数和(自身を除く): 21528388

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5779, 11558, 23116, 40453, 80906, 161812, 757049, 1514098, 3028196, 5299343, 10598686, 21197372]

約数ペア:

[(1, 21197372), (2, 10598686), (4, 5299343), (7, 3028196), (14, 1514098), (28, 757049), (131, 161812), (262, 80906), (524, 40453), (917, 23116), (1834, 11558), (3668, 5779)]