21136416

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:534

約数の個数: 96

約数和(自身を含む): 64447488

約数和(自身を除く): 43311072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 71, 84, 96, 112, 142, 168, 213, 224, 284, 336, 426, 443, 497, 568, 672, 852, 886, 994, 1136, 1329, 1491, 1704, 1772, 1988, 2272, 2658, 2982, 3101, 3408, 3544, 3976, 5316, 5964, 6202, 6816, 7088, 7952, 9303, 10632, 11928, 12404, 14176, 15904, 18606, 21264, 23856, 24808, 31453, 37212, 42528, 47712, 49616, 62906, 74424, 94359, 99232, 125812, 148848, 188718, 220171, 251624, 297696, 377436, 440342, 503248, 660513, 754872, 880684, 1006496, 1321026, 1509744, 1761368, 2642052, 3019488, 3522736, 5284104, 7045472, 10568208, 21136416]

約数ペア:

[(1, 21136416), (2, 10568208), (3, 7045472), (4, 5284104), (6, 3522736), (7, 3019488), (8, 2642052), (12, 1761368), (14, 1509744), (16, 1321026), (21, 1006496), (24, 880684), (28, 754872), (32, 660513), (42, 503248), (48, 440342), (56, 377436), (71, 297696), (84, 251624), (96, 220171), (112, 188718), (142, 148848), (168, 125812), (213, 99232), (224, 94359), (284, 74424), (336, 62906), (426, 49616), (443, 47712), (497, 42528), (568, 37212), (672, 31453), (852, 24808), (886, 23856), (994, 21264), (1136, 18606), (1329, 15904), (1491, 14176), (1704, 12404), (1772, 11928), (1988, 10632), (2272, 9303), (2658, 7952), (2982, 7088), (3101, 6816), (3408, 6202), (3544, 5964), (3976, 5316)]