21255134

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2377}}^1$

素因数の和:2659

約数の個数: 16

約数和(自身を含む): 33900768

約数和(自身を除く): 12645634

約数列:

[1, 2, 17, 34, 263, 526, 2377, 4471, 4754, 8942, 40409, 80818, 625151, 1250302, 10627567, 21255134]

約数ペア:

[(1, 21255134), (2, 10627567), (17, 1250302), (34, 625151), (263, 80818), (526, 40409), (2377, 8942), (4471, 4754)]