21039083

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{617}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 23602656

約数和(自身を除く): 2563573

約数列:

[1, 13, 43, 61, 559, 617, 793, 2623, 8021, 26531, 34099, 37637, 344903, 489281, 1618391, 21039083]

約数ペア:

[(1, 21039083), (13, 1618391), (43, 489281), (61, 344903), (559, 37637), (617, 34099), (793, 26531), (2623, 8021)]