21319606

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19777}}^1$

素因数の和:19804

約数の個数: 24

約数和(自身を含む): 40584456

約数和(自身を除く): 19264850

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19777, 39554, 138439, 217547, 276878, 435094, 969073, 1522829, 1938146, 3045658, 10659803, 21319606]

約数ペア:

[(1, 21319606), (2, 10659803), (7, 3045658), (11, 1938146), (14, 1522829), (22, 969073), (49, 435094), (77, 276878), (98, 217547), (154, 138439), (539, 39554), (1078, 19777)]