21130416

素因数分解:

$2^4\times 3^3\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1251

約数の個数: 80

約数和(自身を含む): 62183520

約数和(自身を除く): 41053104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 41, 48, 54, 72, 82, 108, 123, 144, 164, 216, 246, 328, 369, 432, 492, 656, 738, 984, 1107, 1193, 1476, 1968, 2214, 2386, 2952, 3579, 4428, 4772, 5904, 7158, 8856, 9544, 10737, 14316, 17712, 19088, 21474, 28632, 32211, 42948, 48913, 57264, 64422, 85896, 97826, 128844, 146739, 171792, 195652, 257688, 293478, 391304, 440217, 515376, 586956, 782608, 880434, 1173912, 1320651, 1760868, 2347824, 2641302, 3521736, 5282604, 7043472, 10565208, 21130416]

約数ペア:

[(1, 21130416), (2, 10565208), (3, 7043472), (4, 5282604), (6, 3521736), (8, 2641302), (9, 2347824), (12, 1760868), (16, 1320651), (18, 1173912), (24, 880434), (27, 782608), (36, 586956), (41, 515376), (48, 440217), (54, 391304), (72, 293478), (82, 257688), (108, 195652), (123, 171792), (144, 146739), (164, 128844), (216, 97826), (246, 85896), (328, 64422), (369, 57264), (432, 48913), (492, 42948), (656, 32211), (738, 28632), (984, 21474), (1107, 19088), (1193, 17712), (1476, 14316), (1968, 10737), (2214, 9544), (2386, 8856), (2952, 7158), (3579, 5904), (4428, 4772)]