21796376

素因数分解:

$2^3\times 7^2\times {\mathrm{55603}}^1$

素因数の和:55623

約数の個数: 24

約数和(自身を含む): 47541420

約数和(自身を除く): 25745044

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55603, 111206, 222412, 389221, 444824, 778442, 1556884, 2724547, 3113768, 5449094, 10898188, 21796376]

約数ペア:

[(1, 21796376), (2, 10898188), (4, 5449094), (7, 3113768), (8, 2724547), (14, 1556884), (28, 778442), (49, 444824), (56, 389221), (98, 222412), (196, 111206), (392, 55603)]