21196938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21943}}^1$

素因数の和:21978

約数の個数: 32

約数和(自身を含む): 50558976

約数和(自身を除く): 29362038

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 21943, 43886, 65829, 131658, 153601, 307202, 460803, 504689, 921606, 1009378, 1514067, 3028134, 3532823, 7065646, 10598469, 21196938]

約数ペア:

[(1, 21196938), (2, 10598469), (3, 7065646), (6, 3532823), (7, 3028134), (14, 1514067), (21, 1009378), (23, 921606), (42, 504689), (46, 460803), (69, 307202), (138, 153601), (161, 131658), (322, 65829), (483, 43886), (966, 21943)]