21054288

素因数分解:

$2^4\times 3^1\times {\mathrm{438631}}^1$

素因数の和:438642

約数の個数: 20

約数和(自身を含む): 54390368

約数和(自身を除く): 33336080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 438631, 877262, 1315893, 1754524, 2631786, 3509048, 5263572, 7018096, 10527144, 21054288]

約数ペア:

[(1, 21054288), (2, 10527144), (3, 7018096), (4, 5263572), (6, 3509048), (8, 2631786), (12, 1754524), (16, 1315893), (24, 877262), (48, 438631)]