20211793910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3749869}}^1$

素因数の和:3749901

約数の個数: 48

約数和(自身を含む): 46168399440

約数和(自身を除く): 25956605530

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 3749869, 7499738, 18749345, 26249083, 37498690, 41248559, 52498166, 82497118, 131245415, 183743581, 206242795, 262490830, 288739913, 367487162, 412485590, 577479826, 918717905, 1443699565, 1837435810, 2021179391, 2887399130, 4042358782, 10105896955, 20211793910]

約数ペア:

[(1, 20211793910), (2, 10105896955), (5, 4042358782), (7, 2887399130), (10, 2021179391), (11, 1837435810), (14, 1443699565), (22, 918717905), (35, 577479826), (49, 412485590), (55, 367487162), (70, 288739913), (77, 262490830), (98, 206242795), (110, 183743581), (154, 131245415), (245, 82497118), (385, 52498166), (490, 41248559), (539, 37498690), (770, 26249083), (1078, 18749345), (2695, 7499738), (5390, 3749869)]