21056826

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26387}}^1$

素因数の和:26418

約数の個数: 32

約数和(自身を含む): 50664960

約数和(自身を除く): 29608134

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26387, 52774, 79161, 158322, 184709, 369418, 501353, 554127, 1002706, 1108254, 1504059, 3008118, 3509471, 7018942, 10528413, 21056826]

約数ペア:

[(1, 21056826), (2, 10528413), (3, 7018942), (6, 3509471), (7, 3008118), (14, 1504059), (19, 1108254), (21, 1002706), (38, 554127), (42, 501353), (57, 369418), (114, 184709), (133, 158322), (266, 79161), (399, 52774), (798, 26387)]