21030500

素因数分解:

$2^2\times 5^3\times {\mathrm{42061}}^1$

素因数の和:42080

約数の個数: 24

約数和(自身を含む): 45931704

約数和(自身を除く): 24901204

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 42061, 84122, 168244, 210305, 420610, 841220, 1051525, 2103050, 4206100, 5257625, 10515250, 21030500]

約数ペア:

[(1, 21030500), (2, 10515250), (4, 5257625), (5, 4206100), (10, 2103050), (20, 1051525), (25, 841220), (50, 420610), (100, 210305), (125, 168244), (250, 84122), (500, 42061)]