21345170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1503

約数の個数: 64

約数和(自身を含む): 50457600

約数和(自身を除く): 29112430

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1459, 1463, 2090, 2918, 2926, 7295, 7315, 10213, 14590, 14630, 16049, 20426, 27721, 32098, 51065, 55442, 80245, 102130, 112343, 138605, 160490, 194047, 224686, 277210, 304931, 388094, 561715, 609862, 970235, 1123430, 1524655, 1940470, 2134517, 3049310, 4269034, 10672585, 21345170]

約数ペア:

[(1, 21345170), (2, 10672585), (5, 4269034), (7, 3049310), (10, 2134517), (11, 1940470), (14, 1524655), (19, 1123430), (22, 970235), (35, 609862), (38, 561715), (55, 388094), (70, 304931), (77, 277210), (95, 224686), (110, 194047), (133, 160490), (154, 138605), (190, 112343), (209, 102130), (266, 80245), (385, 55442), (418, 51065), (665, 32098), (770, 27721), (1045, 20426), (1330, 16049), (1459, 14630), (1463, 14590), (2090, 10213), (2918, 7315), (2926, 7295)]