21576048

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 80

約数和(自身を含む): 60996096

約数和(自身を除く): 39420048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 71, 78, 104, 142, 156, 208, 213, 284, 312, 426, 487, 568, 624, 852, 923, 974, 1136, 1461, 1704, 1846, 1948, 2769, 2922, 3408, 3692, 3896, 5538, 5844, 6331, 7384, 7792, 11076, 11688, 12662, 14768, 18993, 22152, 23376, 25324, 34577, 37986, 44304, 50648, 69154, 75972, 101296, 103731, 138308, 151944, 207462, 276616, 303888, 414924, 449501, 553232, 829848, 899002, 1348503, 1659696, 1798004, 2697006, 3596008, 5394012, 7192016, 10788024, 21576048]

約数ペア:

[(1, 21576048), (2, 10788024), (3, 7192016), (4, 5394012), (6, 3596008), (8, 2697006), (12, 1798004), (13, 1659696), (16, 1348503), (24, 899002), (26, 829848), (39, 553232), (48, 449501), (52, 414924), (71, 303888), (78, 276616), (104, 207462), (142, 151944), (156, 138308), (208, 103731), (213, 101296), (284, 75972), (312, 69154), (426, 50648), (487, 44304), (568, 37986), (624, 34577), (852, 25324), (923, 23376), (974, 22152), (1136, 18993), (1461, 14768), (1704, 12662), (1846, 11688), (1948, 11076), (2769, 7792), (2922, 7384), (3408, 6331), (3692, 5844), (3896, 5538)]