21169252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2593}}^1$

素因数の和:2767

約数の個数: 24

約数和(自身を含む): 40165496

約数和(自身を除く): 18996244

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 2593, 4082, 5186, 8164, 10372, 33709, 67418, 134836, 407101, 814202, 1628404, 5292313, 10584626, 21169252]

約数ペア:

[(1, 21169252), (2, 10584626), (4, 5292313), (13, 1628404), (26, 814202), (52, 407101), (157, 134836), (314, 67418), (628, 33709), (2041, 10372), (2593, 8164), (4082, 5186)]