21691494

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1633

約数の個数: 48

約数和(自身を含む): 52026624

約数和(自身を除く): 30335130

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1543, 1562, 2343, 3086, 4629, 4686, 7029, 9258, 13887, 14058, 16973, 27774, 33946, 50919, 101838, 109553, 152757, 219106, 305514, 328659, 657318, 985977, 1205083, 1971954, 2410166, 3615249, 7230498, 10845747, 21691494]

約数ペア:

[(1, 21691494), (2, 10845747), (3, 7230498), (6, 3615249), (9, 2410166), (11, 1971954), (18, 1205083), (22, 985977), (33, 657318), (66, 328659), (71, 305514), (99, 219106), (142, 152757), (198, 109553), (213, 101838), (426, 50919), (639, 33946), (781, 27774), (1278, 16973), (1543, 14058), (1562, 13887), (2343, 9258), (3086, 7029), (4629, 4686)]