21079630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14741}}^1$

素因数の和:14772

約数の個数: 32

約数和(自身を含む): 44579808

約数和(自身を除く): 23500178

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14741, 29482, 73705, 147410, 162151, 191633, 324302, 383266, 810755, 958165, 1621510, 1916330, 2107963, 4215926, 10539815, 21079630]

約数ペア:

[(1, 21079630), (2, 10539815), (5, 4215926), (10, 2107963), (11, 1916330), (13, 1621510), (22, 958165), (26, 810755), (55, 383266), (65, 324302), (110, 191633), (130, 162151), (143, 147410), (286, 73705), (715, 29482), (1430, 14741)]