21270384016

素因数分解:

$2^4\times 7^1\times {\mathrm{613}}^1\times {\mathrm{309811}}^1$

素因数の和:310439

約数の個数: 40

約数和(自身を含む): 47175692864

約数和(自身を除く): 25905308848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 613, 1226, 2452, 4291, 4904, 8582, 9808, 17164, 34328, 68656, 309811, 619622, 1239244, 2168677, 2478488, 4337354, 4956976, 8674708, 17349416, 34698832, 189914143, 379828286, 759656572, 1329399001, 1519313144, 2658798002, 3038626288, 5317596004, 10635192008, 21270384016]

約数ペア:

[(1, 21270384016), (2, 10635192008), (4, 5317596004), (7, 3038626288), (8, 2658798002), (14, 1519313144), (16, 1329399001), (28, 759656572), (56, 379828286), (112, 189914143), (613, 34698832), (1226, 17349416), (2452, 8674708), (4291, 4956976), (4904, 4337354), (8582, 2478488), (9808, 2168677), (17164, 1239244), (34328, 619622), (68656, 309811)]