21454459

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{503}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 24639552

約数和(自身を除く): 3185093

約数列:

[1, 13, 17, 193, 221, 503, 2509, 3281, 6539, 8551, 42653, 97079, 111163, 1262027, 1650343, 21454459]

約数ペア:

[(1, 21454459), (13, 1650343), (17, 1262027), (193, 111163), (221, 97079), (503, 42653), (2509, 8551), (3281, 6539)]