21014004

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 53758656

約数和(自身を除く): 32744652

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 397, 401, 794, 802, 1191, 1203, 1588, 1604, 2382, 2406, 4367, 4411, 4764, 4812, 8734, 8822, 13101, 13233, 17468, 17644, 26202, 26466, 52404, 52932, 159197, 318394, 477591, 636788, 955182, 1751167, 1910364, 3502334, 5253501, 7004668, 10507002, 21014004]

約数ペア:

[(1, 21014004), (2, 10507002), (3, 7004668), (4, 5253501), (6, 3502334), (11, 1910364), (12, 1751167), (22, 955182), (33, 636788), (44, 477591), (66, 318394), (132, 159197), (397, 52932), (401, 52404), (794, 26466), (802, 26202), (1191, 17644), (1203, 17468), (1588, 13233), (1604, 13101), (2382, 8822), (2406, 8734), (4367, 4812), (4411, 4764)]