20211657935

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{21191}}^1$

素因数の和:21456

約数の個数: 48

約数和(自身を含む): 30005328960

約数和(自身を除く): 9793671025

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 229, 245, 595, 833, 1145, 1603, 3893, 4165, 8015, 11221, 19465, 21191, 27251, 56105, 105955, 136255, 148337, 190757, 360247, 741685, 953785, 1038359, 1801235, 2521729, 4852739, 5191795, 12608645, 17652103, 24263695, 33969173, 82496563, 88260515, 169845865, 237784211, 412482815, 577475941, 1188921055, 2887379705, 4042331587, 20211657935]

約数ペア:

[(1, 20211657935), (5, 4042331587), (7, 2887379705), (17, 1188921055), (35, 577475941), (49, 412482815), (85, 237784211), (119, 169845865), (229, 88260515), (245, 82496563), (595, 33969173), (833, 24263695), (1145, 17652103), (1603, 12608645), (3893, 5191795), (4165, 4852739), (8015, 2521729), (11221, 1801235), (19465, 1038359), (21191, 953785), (27251, 741685), (56105, 360247), (105955, 190757), (136255, 148337)]