21087648

素因数分解:

$2^5\times 3^3\times {\mathrm{24407}}^1$

素因数の和:24426

約数の個数: 48

約数和(自身を含む): 61508160

約数和(自身を除く): 40420512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 24407, 48814, 73221, 97628, 146442, 195256, 219663, 292884, 390512, 439326, 585768, 658989, 781024, 878652, 1171536, 1317978, 1757304, 2343072, 2635956, 3514608, 5271912, 7029216, 10543824, 21087648]

約数ペア:

[(1, 21087648), (2, 10543824), (3, 7029216), (4, 5271912), (6, 3514608), (8, 2635956), (9, 2343072), (12, 1757304), (16, 1317978), (18, 1171536), (24, 878652), (27, 781024), (32, 658989), (36, 585768), (48, 439326), (54, 390512), (72, 292884), (96, 219663), (108, 195256), (144, 146442), (216, 97628), (288, 73221), (432, 48814), (864, 24407)]