21358492072

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{1979}}^1\times {\mathrm{19001}}^1$

素因数の和:21057

約数の個数: 32

約数和(自身を含む): 40633876800

約数和(自身を除く): 19275384728

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 1979, 3958, 7916, 15832, 19001, 38002, 76004, 140509, 152008, 281018, 562036, 1124072, 1349071, 2698142, 5396284, 10792568, 37602979, 75205958, 150411916, 300823832, 2669811509, 5339623018, 10679246036, 21358492072]

約数ペア:

[(1, 21358492072), (2, 10679246036), (4, 5339623018), (8, 2669811509), (71, 300823832), (142, 150411916), (284, 75205958), (568, 37602979), (1979, 10792568), (3958, 5396284), (7916, 2698142), (15832, 1349071), (19001, 1124072), (38002, 562036), (76004, 281018), (140509, 152008)]