21167384

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1979}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 24451816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 1979, 2674, 3958, 5348, 7916, 10696, 13853, 15832, 27706, 55412, 110824, 377989, 755978, 1511956, 2645923, 3023912, 5291846, 10583692, 21167384]

約数ペア:

[(1, 21167384), (2, 10583692), (4, 5291846), (7, 3023912), (8, 2645923), (14, 1511956), (28, 755978), (56, 377989), (191, 110824), (382, 55412), (764, 27706), (1337, 15832), (1528, 13853), (1979, 10696), (2674, 7916), (3958, 5348)]