21605376

素因数分解:

$2^{10}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:577

約数の個数: 88

約数和(自身を含む): 62130544

約数和(自身を除く): 40525168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 541, 624, 768, 832, 1024, 1082, 1248, 1536, 1623, 1664, 2164, 2496, 3072, 3246, 3328, 4328, 4992, 6492, 6656, 7033, 8656, 9984, 12984, 13312, 14066, 17312, 19968, 21099, 25968, 28132, 34624, 39936, 42198, 51936, 56264, 69248, 84396, 103872, 112528, 138496, 168792, 207744, 225056, 276992, 337584, 415488, 450112, 553984, 675168, 830976, 900224, 1350336, 1661952, 1800448, 2700672, 3600896, 5401344, 7201792, 10802688, 21605376]

約数ペア:

[(1, 21605376), (2, 10802688), (3, 7201792), (4, 5401344), (6, 3600896), (8, 2700672), (12, 1800448), (13, 1661952), (16, 1350336), (24, 900224), (26, 830976), (32, 675168), (39, 553984), (48, 450112), (52, 415488), (64, 337584), (78, 276992), (96, 225056), (104, 207744), (128, 168792), (156, 138496), (192, 112528), (208, 103872), (256, 84396), (312, 69248), (384, 56264), (416, 51936), (512, 42198), (541, 39936), (624, 34624), (768, 28132), (832, 25968), (1024, 21099), (1082, 19968), (1248, 17312), (1536, 14066), (1623, 13312), (1664, 12984), (2164, 9984), (2496, 8656), (3072, 7033), (3246, 6656), (3328, 6492), (4328, 4992)]