21519304

素因数分解:

$2^3\times {\mathrm{919}}^1\times {\mathrm{2927}}^1$

素因数の和:3852

約数の個数: 16

約数和(自身を含む): 40406400

約数和(自身を除く): 18887096

約数列:

[1, 2, 4, 8, 919, 1838, 2927, 3676, 5854, 7352, 11708, 23416, 2689913, 5379826, 10759652, 21519304]

約数ペア:

[(1, 21519304), (2, 10759652), (4, 5379826), (8, 2689913), (919, 23416), (1838, 11708), (2927, 7352), (3676, 5854)]