21708876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2371}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 58446080

約数和(自身を除く): 36737204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 2371, 3052, 4578, 4742, 7113, 9156, 9484, 14226, 16597, 28452, 33194, 49791, 66388, 99582, 199164, 258439, 516878, 775317, 1033756, 1550634, 1809073, 3101268, 3618146, 5427219, 7236292, 10854438, 21708876]

約数ペア:

[(1, 21708876), (2, 10854438), (3, 7236292), (4, 5427219), (6, 3618146), (7, 3101268), (12, 1809073), (14, 1550634), (21, 1033756), (28, 775317), (42, 516878), (84, 258439), (109, 199164), (218, 99582), (327, 66388), (436, 49791), (654, 33194), (763, 28452), (1308, 16597), (1526, 14226), (2289, 9484), (2371, 9156), (3052, 7113), (4578, 4742)]