21536872

素因数分解:

$2^3\times 7^2\times {\mathrm{54941}}^1$

素因数の和:54961

約数の個数: 24

約数和(自身を含む): 46975410

約数和(自身を除く): 25438538

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54941, 109882, 219764, 384587, 439528, 769174, 1538348, 2692109, 3076696, 5384218, 10768436, 21536872]

約数ペア:

[(1, 21536872), (2, 10768436), (4, 5384218), (7, 3076696), (8, 2692109), (14, 1538348), (28, 769174), (49, 439528), (56, 384587), (98, 219764), (196, 109882), (392, 54941)]