21103782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{1049}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 27280218

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 479, 958, 1049, 1437, 2098, 2874, 3147, 3353, 6294, 6706, 7343, 10059, 14686, 20118, 22029, 44058, 502471, 1004942, 1507413, 3014826, 3517297, 7034594, 10551891, 21103782]

約数ペア:

[(1, 21103782), (2, 10551891), (3, 7034594), (6, 3517297), (7, 3014826), (14, 1507413), (21, 1004942), (42, 502471), (479, 44058), (958, 22029), (1049, 20118), (1437, 14686), (2098, 10059), (2874, 7343), (3147, 6706), (3353, 6294)]