21541832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2011}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 43942080

約数和(自身を除く): 22400248

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2011, 2678, 4022, 5356, 8044, 10712, 16088, 26143, 52286, 104572, 207133, 209144, 414266, 828532, 1657064, 2692729, 5385458, 10770916, 21541832]

約数ペア:

[(1, 21541832), (2, 10770916), (4, 5385458), (8, 2692729), (13, 1657064), (26, 828532), (52, 414266), (103, 209144), (104, 207133), (206, 104572), (412, 52286), (824, 26143), (1339, 16088), (2011, 10712), (2678, 8044), (4022, 5356)]