21455126

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 40476672

約数和(自身を除く): 19021546

約数列:

[1, 2, 7, 11, 14, 22, 77, 127, 154, 254, 889, 1097, 1397, 1778, 2194, 2794, 7679, 9779, 12067, 15358, 19558, 24134, 84469, 139319, 168938, 278638, 975233, 1532509, 1950466, 3065018, 10727563, 21455126]

約数ペア:

[(1, 21455126), (2, 10727563), (7, 3065018), (11, 1950466), (14, 1532509), (22, 975233), (77, 278638), (127, 168938), (154, 139319), (254, 84469), (889, 24134), (1097, 19558), (1397, 15358), (1778, 12067), (2194, 9779), (2794, 7679)]