21898576

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8501}}^1$

素因数の和:8539

約数の個数: 40

約数和(自身を含む): 50603904

約数和(自身を除く): 28705328

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8501, 17002, 34004, 59507, 68008, 119014, 136016, 195523, 238028, 391046, 476056, 782092, 952112, 1368661, 1564184, 2737322, 3128368, 5474644, 10949288, 21898576]

約数ペア:

[(1, 21898576), (2, 10949288), (4, 5474644), (7, 3128368), (8, 2737322), (14, 1564184), (16, 1368661), (23, 952112), (28, 782092), (46, 476056), (56, 391046), (92, 238028), (112, 195523), (161, 136016), (184, 119014), (322, 68008), (368, 59507), (644, 34004), (1288, 17002), (2576, 8501)]