21094906275

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{1867}}^1$

素因数の和:2786

約数の個数: 96

約数和(自身を含む): 40859884800

約数和(自身を除く): 19764978525

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 881, 1425, 1867, 2565, 2643, 4275, 4405, 5601, 7929, 9335, 12825, 13215, 16739, 16803, 22025, 23787, 28005, 35473, 39645, 46675, 50217, 50409, 66075, 83695, 84015, 106419, 118935, 140025, 150651, 177365, 198225, 251085, 252045, 319257, 418475, 420075, 451953, 532095, 594675, 753255, 886825, 957771, 1255425, 1260225, 1596285, 1644827, 2259765, 2660475, 3766275, 4788855, 4934481, 7981425, 8224135, 11298825, 14803443, 23944275, 24672405, 31251713, 41120675, 44410329, 74017215, 93755139, 123362025, 156258565, 222051645, 281265417, 370086075, 468775695, 781292825, 843796251, 1110258225, 1406327085, 2343878475, 4218981255, 7031635425, 21094906275]

約数ペア:

[(1, 21094906275), (3, 7031635425), (5, 4218981255), (9, 2343878475), (15, 1406327085), (19, 1110258225), (25, 843796251), (27, 781292825), (45, 468775695), (57, 370086075), (75, 281265417), (95, 222051645), (135, 156258565), (171, 123362025), (225, 93755139), (285, 74017215), (475, 44410329), (513, 41120675), (675, 31251713), (855, 24672405), (881, 23944275), (1425, 14803443), (1867, 11298825), (2565, 8224135), (2643, 7981425), (4275, 4934481), (4405, 4788855), (5601, 3766275), (7929, 2660475), (9335, 2259765), (12825, 1644827), (13215, 1596285), (16739, 1260225), (16803, 1255425), (22025, 957771), (23787, 886825), (28005, 753255), (35473, 594675), (39645, 532095), (46675, 451953), (50217, 420075), (50409, 418475), (66075, 319257), (83695, 252045), (84015, 251085), (106419, 198225), (118935, 177365), (140025, 150651)]