21865300

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{5333}}^1$

素因数の和:5388

約数の個数: 36

約数和(自身を含む): 48614076

約数和(自身を除く): 26748776

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 5333, 10666, 21332, 26665, 53330, 106660, 133325, 218653, 266650, 437306, 533300, 874612, 1093265, 2186530, 4373060, 5466325, 10932650, 21865300]

約数ペア:

[(1, 21865300), (2, 10932650), (4, 5466325), (5, 4373060), (10, 2186530), (20, 1093265), (25, 874612), (41, 533300), (50, 437306), (82, 266650), (100, 218653), (164, 133325), (205, 106660), (410, 53330), (820, 26665), (1025, 21332), (2050, 10666), (4100, 5333)]