21853120

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1453}}^1$

素因数の和:1517

約数の個数: 56

約数和(自身を含む): 53181504

約数和(自身を除く): 31328384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1453, 1504, 1880, 2906, 3008, 3760, 5812, 7265, 7520, 11624, 14530, 15040, 23248, 29060, 46496, 58120, 68291, 92992, 116240, 136582, 232480, 273164, 341455, 464960, 546328, 682910, 1092656, 1365820, 2185312, 2731640, 4370624, 5463280, 10926560, 21853120]

約数ペア:

[(1, 21853120), (2, 10926560), (4, 5463280), (5, 4370624), (8, 2731640), (10, 2185312), (16, 1365820), (20, 1092656), (32, 682910), (40, 546328), (47, 464960), (64, 341455), (80, 273164), (94, 232480), (160, 136582), (188, 116240), (235, 92992), (320, 68291), (376, 58120), (470, 46496), (752, 29060), (940, 23248), (1453, 15040), (1504, 14530), (1880, 11624), (2906, 7520), (3008, 7265), (3760, 5812)]