21031396064

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1997663}}^1$

素因数の和:1997727

約数の個数: 48

約数和(自身を含む): 48327487488

約数和(自身を除く): 27296091424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 188, 224, 329, 376, 658, 752, 1316, 1504, 2632, 5264, 10528, 1997663, 3995326, 7990652, 13983641, 15981304, 27967282, 31962608, 55934564, 63925216, 93890161, 111869128, 187780322, 223738256, 375560644, 447476512, 657231127, 751121288, 1314462254, 1502242576, 2628924508, 3004485152, 5257849016, 10515698032, 21031396064]

約数ペア:

[(1, 21031396064), (2, 10515698032), (4, 5257849016), (7, 3004485152), (8, 2628924508), (14, 1502242576), (16, 1314462254), (28, 751121288), (32, 657231127), (47, 447476512), (56, 375560644), (94, 223738256), (112, 187780322), (188, 111869128), (224, 93890161), (329, 63925216), (376, 55934564), (658, 31962608), (752, 27967282), (1316, 15981304), (1504, 13983641), (2632, 7990652), (5264, 3995326), (10528, 1997663)]