21963282

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 50181120

約数和(自身を除く): 28217838

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 71, 86, 109, 129, 142, 213, 218, 258, 327, 426, 473, 654, 781, 946, 1199, 1419, 1562, 2343, 2398, 2838, 3053, 3597, 4686, 4687, 6106, 7194, 7739, 9159, 9374, 14061, 15478, 18318, 23217, 28122, 33583, 46434, 51557, 67166, 85129, 100749, 103114, 154671, 170258, 201498, 255387, 309342, 332777, 510774, 665554, 998331, 1996662, 3660547, 7321094, 10981641, 21963282]

約数ペア:

[(1, 21963282), (2, 10981641), (3, 7321094), (6, 3660547), (11, 1996662), (22, 998331), (33, 665554), (43, 510774), (66, 332777), (71, 309342), (86, 255387), (109, 201498), (129, 170258), (142, 154671), (213, 103114), (218, 100749), (258, 85129), (327, 67166), (426, 51557), (473, 46434), (654, 33583), (781, 28122), (946, 23217), (1199, 18318), (1419, 15478), (1562, 14061), (2343, 9374), (2398, 9159), (2838, 7739), (3053, 7194), (3597, 6106), (4686, 4687)]