21186673046

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{143159}}^1$

素因数の和:143241

約数の個数: 48

約数和(自身を含む): 40941469440

約数和(自身を除く): 19754796394

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 961, 1922, 2387, 4774, 6727, 10571, 13454, 21142, 73997, 143159, 147994, 286318, 1002113, 1574749, 2004226, 3149498, 4437929, 8875858, 11023243, 22046486, 31065503, 48817219, 62131006, 97634438, 137575799, 275151598, 341720533, 683441066, 963030593, 1513333789, 1926061186, 3026667578, 10593336523, 21186673046]

約数ペア:

[(1, 21186673046), (2, 10593336523), (7, 3026667578), (11, 1926061186), (14, 1513333789), (22, 963030593), (31, 683441066), (62, 341720533), (77, 275151598), (154, 137575799), (217, 97634438), (341, 62131006), (434, 48817219), (682, 31065503), (961, 22046486), (1922, 11023243), (2387, 8875858), (4774, 4437929), (6727, 3149498), (10571, 2004226), (13454, 1574749), (21142, 1002113), (73997, 286318), (143159, 147994)]