21087614651792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4093}}^1\times {\mathrm{419827}}^1$

素因数の和:424000

約数の個数: 80

約数和(自身を含む): 44756922665280

約数和(自身を除く): 23669308013488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1534, 3068, 4093, 6136, 8186, 12272, 16372, 32744, 53209, 65488, 106418, 212836, 241487, 419827, 425672, 482974, 839654, 851344, 965948, 1679308, 1931896, 3139331, 3358616, 3863792, 5457751, 6278662, 6717232, 10915502, 12557324, 21831004, 24769793, 25114648, 43662008, 49539586, 50229296, 87324016, 99079172, 198158344, 322007309, 396316688, 644014618, 1288029236, 1718351911, 2576058472, 3436703822, 5152116944, 6873407644, 13746815288, 22338574843, 27493630576, 44677149686, 89354299372, 101382762749, 178708598744, 202765525498, 357417197488, 405531050996, 811062101992, 1317975915737, 1622124203984, 2635951831474, 5271903662948, 10543807325896, 21087614651792]

約数ペア:

[(1, 21087614651792), (2, 10543807325896), (4, 5271903662948), (8, 2635951831474), (13, 1622124203984), (16, 1317975915737), (26, 811062101992), (52, 405531050996), (59, 357417197488), (104, 202765525498), (118, 178708598744), (208, 101382762749), (236, 89354299372), (472, 44677149686), (767, 27493630576), (944, 22338574843), (1534, 13746815288), (3068, 6873407644), (4093, 5152116944), (6136, 3436703822), (8186, 2576058472), (12272, 1718351911), (16372, 1288029236), (32744, 644014618), (53209, 396316688), (65488, 322007309), (106418, 198158344), (212836, 99079172), (241487, 87324016), (419827, 50229296), (425672, 49539586), (482974, 43662008), (839654, 25114648), (851344, 24769793), (965948, 21831004), (1679308, 12557324), (1931896, 10915502), (3139331, 6717232), (3358616, 6278662), (3863792, 5457751)]