21587520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 112

約数和(自身を含む): 69494400

約数和(自身を除く): 47906880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 113, 120, 160, 192, 199, 226, 240, 320, 339, 398, 452, 480, 565, 597, 678, 796, 904, 960, 995, 1130, 1194, 1356, 1592, 1695, 1808, 1990, 2260, 2388, 2712, 2985, 3184, 3390, 3616, 3980, 4520, 4776, 5424, 5970, 6368, 6780, 7232, 7960, 9040, 9552, 10848, 11940, 12736, 13560, 15920, 18080, 19104, 21696, 22487, 23880, 27120, 31840, 36160, 38208, 44974, 47760, 54240, 63680, 67461, 89948, 95520, 108480, 112435, 134922, 179896, 191040, 224870, 269844, 337305, 359792, 449740, 539688, 674610, 719584, 899480, 1079376, 1349220, 1439168, 1798960, 2158752, 2698440, 3597920, 4317504, 5396880, 7195840, 10793760, 21587520]

約数ペア:

[(1, 21587520), (2, 10793760), (3, 7195840), (4, 5396880), (5, 4317504), (6, 3597920), (8, 2698440), (10, 2158752), (12, 1798960), (15, 1439168), (16, 1349220), (20, 1079376), (24, 899480), (30, 719584), (32, 674610), (40, 539688), (48, 449740), (60, 359792), (64, 337305), (80, 269844), (96, 224870), (113, 191040), (120, 179896), (160, 134922), (192, 112435), (199, 108480), (226, 95520), (240, 89948), (320, 67461), (339, 63680), (398, 54240), (452, 47760), (480, 44974), (565, 38208), (597, 36160), (678, 31840), (796, 27120), (904, 23880), (960, 22487), (995, 21696), (1130, 19104), (1194, 18080), (1356, 15920), (1592, 13560), (1695, 12736), (1808, 11940), (1990, 10848), (2260, 9552), (2388, 9040), (2712, 7960), (2985, 7232), (3184, 6780), (3390, 6368), (3616, 5970), (3980, 5424), (4520, 4776)]