21089538

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3583}}^1$

素因数の和:3703

約数の個数: 32

約数和(自身を含む): 47308800

約数和(自身を除く): 26219262

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3583, 5886, 7166, 10749, 21498, 32247, 64494, 96741, 193482, 390547, 781094, 1171641, 2343282, 3514923, 7029846, 10544769, 21089538]

約数ペア:

[(1, 21089538), (2, 10544769), (3, 7029846), (6, 3514923), (9, 2343282), (18, 1171641), (27, 781094), (54, 390547), (109, 193482), (218, 96741), (327, 64494), (654, 32247), (981, 21498), (1962, 10749), (2943, 7166), (3583, 5886)]