21183736

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16447}}^1$

素因数の和:16483

約数の個数: 32

約数和(自身を含む): 47370240

約数和(自身を除く): 26186504

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16447, 32894, 65788, 115129, 131576, 230258, 378281, 460516, 756562, 921032, 1513124, 2647967, 3026248, 5295934, 10591868, 21183736]

約数ペア:

[(1, 21183736), (2, 10591868), (4, 5295934), (7, 3026248), (8, 2647967), (14, 1513124), (23, 921032), (28, 756562), (46, 460516), (56, 378281), (92, 230258), (161, 131576), (184, 115129), (322, 65788), (644, 32894), (1288, 16447)]