21181968

素因数分解:

$2^4\times 3^2\times {\mathrm{147097}}^1$

素因数の和:147111

約数の個数: 30

約数和(自身を含む): 59280494

約数和(自身を除く): 38098526

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147097, 294194, 441291, 588388, 882582, 1176776, 1323873, 1765164, 2353552, 2647746, 3530328, 5295492, 7060656, 10590984, 21181968]

約数ペア:

[(1, 21181968), (2, 10590984), (3, 7060656), (4, 5295492), (6, 3530328), (8, 2647746), (9, 2353552), (12, 1765164), (16, 1323873), (18, 1176776), (24, 882582), (36, 588388), (48, 441291), (72, 294194), (144, 147097)]