21104160

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1$

素因数の和:607

約数の個数: 192

約数和(自身を含む): 83026944

約数和(自身を除く): 61922784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 560, 571, 616, 660, 672, 770, 840, 880, 924, 1056, 1120, 1142, 1155, 1232, 1320, 1540, 1680, 1713, 1760, 1848, 2284, 2310, 2464, 2640, 2855, 3080, 3360, 3426, 3696, 3997, 4568, 4620, 5280, 5710, 6160, 6281, 6852, 7392, 7994, 8565, 9136, 9240, 11420, 11991, 12320, 12562, 13704, 15988, 17130, 18272, 18480, 18843, 19985, 22840, 23982, 25124, 27408, 31405, 31976, 34260, 36960, 37686, 39970, 43967, 45680, 47964, 50248, 54816, 59955, 62810, 63952, 68520, 75372, 79940, 87934, 91360, 94215, 95928, 100496, 119910, 125620, 127904, 131901, 137040, 150744, 159880, 175868, 188430, 191856, 200992, 219835, 239820, 251240, 263802, 274080, 301488, 319760, 351736, 376860, 383712, 439670, 479640, 502480, 527604, 602976, 639520, 659505, 703472, 753720, 879340, 959280, 1004960, 1055208, 1319010, 1406944, 1507440, 1758680, 1918560, 2110416, 2638020, 3014880, 3517360, 4220832, 5276040, 7034720, 10552080, 21104160]

約数ペア:

[(1, 21104160), (2, 10552080), (3, 7034720), (4, 5276040), (5, 4220832), (6, 3517360), (7, 3014880), (8, 2638020), (10, 2110416), (11, 1918560), (12, 1758680), (14, 1507440), (15, 1406944), (16, 1319010), (20, 1055208), (21, 1004960), (22, 959280), (24, 879340), (28, 753720), (30, 703472), (32, 659505), (33, 639520), (35, 602976), (40, 527604), (42, 502480), (44, 479640), (48, 439670), (55, 383712), (56, 376860), (60, 351736), (66, 319760), (70, 301488), (77, 274080), (80, 263802), (84, 251240), (88, 239820), (96, 219835), (105, 200992), (110, 191856), (112, 188430), (120, 175868), (132, 159880), (140, 150744), (154, 137040), (160, 131901), (165, 127904), (168, 125620), (176, 119910), (210, 100496), (220, 95928), (224, 94215), (231, 91360), (240, 87934), (264, 79940), (280, 75372), (308, 68520), (330, 63952), (336, 62810), (352, 59955), (385, 54816), (420, 50248), (440, 47964), (462, 45680), (480, 43967), (528, 39970), (560, 37686), (571, 36960), (616, 34260), (660, 31976), (672, 31405), (770, 27408), (840, 25124), (880, 23982), (924, 22840), (1056, 19985), (1120, 18843), (1142, 18480), (1155, 18272), (1232, 17130), (1320, 15988), (1540, 13704), (1680, 12562), (1713, 12320), (1760, 11991), (1848, 11420), (2284, 9240), (2310, 9136), (2464, 8565), (2640, 7994), (2855, 7392), (3080, 6852), (3360, 6281), (3426, 6160), (3696, 5710), (3997, 5280), (4568, 4620)]