21697432888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{526739}}^1$

素因数の和:527035

約数の個数: 32

約数和(自身を含む): 42981984000

約数和(自身を除く): 21284551112

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 271, 542, 1084, 2168, 5149, 10298, 20596, 41192, 526739, 1053478, 2106956, 4213912, 10008041, 20016082, 40032164, 80064328, 142746269, 285492538, 570985076, 1141970152, 2712179111, 5424358222, 10848716444, 21697432888]

約数ペア:

[(1, 21697432888), (2, 10848716444), (4, 5424358222), (8, 2712179111), (19, 1141970152), (38, 570985076), (76, 285492538), (152, 142746269), (271, 80064328), (542, 40032164), (1084, 20016082), (2168, 10008041), (5149, 4213912), (10298, 2106956), (20596, 1053478), (41192, 526739)]