21503616

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{1931}}^1$

素因数の和:1977

約数の個数: 64

約数和(自身を含む): 59119200

約数和(自身を除く): 37615584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 348, 384, 464, 696, 928, 1392, 1856, 1931, 2784, 3712, 3862, 5568, 5793, 7724, 11136, 11586, 15448, 23172, 30896, 46344, 55999, 61792, 92688, 111998, 123584, 167997, 185376, 223996, 247168, 335994, 370752, 447992, 671988, 741504, 895984, 1343976, 1791968, 2687952, 3583936, 5375904, 7167872, 10751808, 21503616]

約数ペア:

[(1, 21503616), (2, 10751808), (3, 7167872), (4, 5375904), (6, 3583936), (8, 2687952), (12, 1791968), (16, 1343976), (24, 895984), (29, 741504), (32, 671988), (48, 447992), (58, 370752), (64, 335994), (87, 247168), (96, 223996), (116, 185376), (128, 167997), (174, 123584), (192, 111998), (232, 92688), (348, 61792), (384, 55999), (464, 46344), (696, 30896), (928, 23172), (1392, 15448), (1856, 11586), (1931, 11136), (2784, 7724), (3712, 5793), (3862, 5568)]