21497076

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1602

約数の個数: 60

約数和(自身を含む): 57541792

約数和(自身を除く): 36044716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1543, 1548, 2322, 3086, 3483, 4629, 4644, 6172, 6966, 9258, 13887, 13932, 18516, 27774, 41661, 55548, 66349, 83322, 124983, 132698, 166644, 199047, 249966, 265396, 398094, 499932, 597141, 796188, 1194282, 1791423, 2388564, 3582846, 5374269, 7165692, 10748538, 21497076]

約数ペア:

[(1, 21497076), (2, 10748538), (3, 7165692), (4, 5374269), (6, 3582846), (9, 2388564), (12, 1791423), (18, 1194282), (27, 796188), (36, 597141), (43, 499932), (54, 398094), (81, 265396), (86, 249966), (108, 199047), (129, 166644), (162, 132698), (172, 124983), (258, 83322), (324, 66349), (387, 55548), (516, 41661), (774, 27774), (1161, 18516), (1543, 13932), (1548, 13887), (2322, 9258), (3086, 6966), (3483, 6172), (4629, 4644)]