21879156988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{9643}}^1\times {\mathrm{43633}}^1$

素因数の和:53293

約数の個数: 24

約数和(自身を含む): 41239017008

約数和(自身を除く): 19359860020

約数列:

[1, 2, 4, 13, 26, 52, 9643, 19286, 38572, 43633, 87266, 125359, 174532, 250718, 501436, 567229, 1134458, 2268916, 420753019, 841506038, 1683012076, 5469789247, 10939578494, 21879156988]

約数ペア:

[(1, 21879156988), (2, 10939578494), (4, 5469789247), (13, 1683012076), (26, 841506038), (52, 420753019), (9643, 2268916), (19286, 1134458), (38572, 567229), (43633, 501436), (87266, 250718), (125359, 174532)]