21123234

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 52462080

約数和(自身を除く): 31338846

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 86, 99, 129, 198, 258, 297, 387, 473, 594, 774, 827, 946, 1161, 1419, 1654, 2322, 2481, 2838, 4257, 4962, 7443, 8514, 9097, 12771, 14886, 18194, 22329, 25542, 27291, 35561, 44658, 54582, 71122, 81873, 106683, 163746, 213366, 245619, 320049, 391171, 491238, 640098, 782342, 960147, 1173513, 1920294, 2347026, 3520539, 7041078, 10561617, 21123234]

約数ペア:

[(1, 21123234), (2, 10561617), (3, 7041078), (6, 3520539), (9, 2347026), (11, 1920294), (18, 1173513), (22, 960147), (27, 782342), (33, 640098), (43, 491238), (54, 391171), (66, 320049), (86, 245619), (99, 213366), (129, 163746), (198, 106683), (258, 81873), (297, 71122), (387, 54582), (473, 44658), (594, 35561), (774, 27291), (827, 25542), (946, 22329), (1161, 18194), (1419, 14886), (1654, 12771), (2322, 9097), (2481, 8514), (2838, 7443), (4257, 4962)]