21176500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1093

約数の個数: 48

約数和(自身を含む): 47423376

約数和(自身を除く): 26246876

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1025, 1033, 2050, 2066, 4100, 4132, 5125, 5165, 10250, 10330, 20500, 20660, 25825, 42353, 51650, 84706, 103300, 129125, 169412, 211765, 258250, 423530, 516500, 847060, 1058825, 2117650, 4235300, 5294125, 10588250, 21176500]

約数ペア:

[(1, 21176500), (2, 10588250), (4, 5294125), (5, 4235300), (10, 2117650), (20, 1058825), (25, 847060), (41, 516500), (50, 423530), (82, 258250), (100, 211765), (125, 169412), (164, 129125), (205, 103300), (250, 84706), (410, 51650), (500, 42353), (820, 25825), (1025, 20660), (1033, 20500), (2050, 10330), (2066, 10250), (4100, 5165), (4132, 5125)]