21592805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19541}}^1$

素因数の和:19576

約数の個数: 16

約数和(自身を含む): 29547504

約数和(自身を除く): 7954699

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 19541, 97705, 254033, 332197, 1270165, 1660985, 4318561, 21592805]

約数ペア:

[(1, 21592805), (5, 4318561), (13, 1660985), (17, 1270165), (65, 332197), (85, 254033), (221, 97705), (1105, 19541)]