21499464

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127973}}^1$

素因数の和:127989

約数の個数: 32

約数和(自身を含む): 61427520

約数和(自身を除く): 39928056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127973, 255946, 383919, 511892, 767838, 895811, 1023784, 1535676, 1791622, 2687433, 3071352, 3583244, 5374866, 7166488, 10749732, 21499464]

約数ペア:

[(1, 21499464), (2, 10749732), (3, 7166488), (4, 5374866), (6, 3583244), (7, 3071352), (8, 2687433), (12, 1791622), (14, 1535676), (21, 1023784), (24, 895811), (28, 767838), (42, 511892), (56, 383919), (84, 255946), (168, 127973)]