21167503544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1543}}^1\times {\mathrm{155891}}^1$

素因数の和:157451

約数の個数: 32

約数和(自身を含む): 43325504640

約数和(自身を除く): 22158001096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1543, 3086, 6172, 12344, 16973, 33946, 67892, 135784, 155891, 311782, 623564, 1247128, 1714801, 3429602, 6859204, 13718408, 240539813, 481079626, 962159252, 1924318504, 2645937943, 5291875886, 10583751772, 21167503544]

約数ペア:

[(1, 21167503544), (2, 10583751772), (4, 5291875886), (8, 2645937943), (11, 1924318504), (22, 962159252), (44, 481079626), (88, 240539813), (1543, 13718408), (3086, 6859204), (6172, 3429602), (12344, 1714801), (16973, 1247128), (33946, 623564), (67892, 311782), (135784, 155891)]