21450481

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 25524072

約数和(自身を除く): 4073591

約数列:

[1, 13, 17, 31, 101, 221, 403, 527, 961, 1313, 1717, 3131, 6851, 12493, 16337, 22321, 40703, 53227, 97061, 212381, 691951, 1261793, 1650037, 21450481]

約数ペア:

[(1, 21450481), (13, 1650037), (17, 1261793), (31, 691951), (101, 212381), (221, 97061), (403, 53227), (527, 40703), (961, 22321), (1313, 16337), (1717, 12493), (3131, 6851)]