21083729912

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1\times {\mathrm{10273}}^1$

素因数の和:10900

約数の個数: 64

約数和(自身を含む): 45942040320

約数和(自身を除く): 24858310408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 547, 938, 1094, 1876, 2188, 3752, 3829, 4376, 7658, 10273, 15316, 20546, 30632, 36649, 41092, 71911, 73298, 82184, 143822, 146596, 256543, 287644, 293192, 513086, 575288, 688291, 1026172, 1376582, 2052344, 2753164, 4818037, 5506328, 5619331, 9636074, 11238662, 19272148, 22477324, 38544296, 39335317, 44954648, 78670634, 157341268, 314682536, 376495177, 752990354, 1505980708, 2635466239, 3011961416, 5270932478, 10541864956, 21083729912]

約数ペア:

[(1, 21083729912), (2, 10541864956), (4, 5270932478), (7, 3011961416), (8, 2635466239), (14, 1505980708), (28, 752990354), (56, 376495177), (67, 314682536), (134, 157341268), (268, 78670634), (469, 44954648), (536, 39335317), (547, 38544296), (938, 22477324), (1094, 19272148), (1876, 11238662), (2188, 9636074), (3752, 5619331), (3829, 5506328), (4376, 4818037), (7658, 2753164), (10273, 2052344), (15316, 1376582), (20546, 1026172), (30632, 688291), (36649, 575288), (41092, 513086), (71911, 293192), (73298, 287644), (82184, 256543), (143822, 146596)]