21588120

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2221}}^1$

素因数の和:2247

約数の個数: 96

約数和(自身を含む): 72792720

約数和(自身を除く): 51204600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2221, 2430, 3240, 4442, 4860, 6663, 8884, 9720, 11105, 13326, 17768, 19989, 22210, 26652, 33315, 39978, 44420, 53304, 59967, 66630, 79956, 88840, 99945, 119934, 133260, 159912, 179901, 199890, 239868, 266520, 299835, 359802, 399780, 479736, 539703, 599670, 719604, 799560, 899505, 1079406, 1199340, 1439208, 1799010, 2158812, 2398680, 2698515, 3598020, 4317624, 5397030, 7196040, 10794060, 21588120]

約数ペア:

[(1, 21588120), (2, 10794060), (3, 7196040), (4, 5397030), (5, 4317624), (6, 3598020), (8, 2698515), (9, 2398680), (10, 2158812), (12, 1799010), (15, 1439208), (18, 1199340), (20, 1079406), (24, 899505), (27, 799560), (30, 719604), (36, 599670), (40, 539703), (45, 479736), (54, 399780), (60, 359802), (72, 299835), (81, 266520), (90, 239868), (108, 199890), (120, 179901), (135, 159912), (162, 133260), (180, 119934), (216, 99945), (243, 88840), (270, 79956), (324, 66630), (360, 59967), (405, 53304), (486, 44420), (540, 39978), (648, 33315), (810, 26652), (972, 22210), (1080, 19989), (1215, 17768), (1620, 13326), (1944, 11105), (2221, 9720), (2430, 8884), (3240, 6663), (4442, 4860)]