21265623

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1061}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 32803056

約数和(自身を除く): 11537433

約数列:

[1, 3, 9, 17, 51, 131, 153, 393, 1061, 1179, 2227, 3183, 6681, 9549, 18037, 20043, 54111, 138991, 162333, 416973, 1250919, 2362847, 7088541, 21265623]

約数ペア:

[(1, 21265623), (3, 7088541), (9, 2362847), (17, 1250919), (51, 416973), (131, 162333), (153, 138991), (393, 54111), (1061, 20043), (1179, 18037), (2227, 9549), (3183, 6681)]