21739088

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2897}}^1$

素因数の和:2979

約数の個数: 40

約数和(自身を含む): 48871872

約数和(自身を除く): 27132784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2897, 3752, 5794, 7504, 11588, 20279, 23176, 40558, 46352, 81116, 162232, 194099, 324464, 388198, 776396, 1358693, 1552792, 2717386, 3105584, 5434772, 10869544, 21739088]

約数ペア:

[(1, 21739088), (2, 10869544), (4, 5434772), (7, 3105584), (8, 2717386), (14, 1552792), (16, 1358693), (28, 776396), (56, 388198), (67, 324464), (112, 194099), (134, 162232), (268, 81116), (469, 46352), (536, 40558), (938, 23176), (1072, 20279), (1876, 11588), (2897, 7504), (3752, 5794)]