21167150620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{58991}}^1$

素因数の和:59251

約数の個数: 96

約数和(自身を含む): 55658244096

約数和(自身を除く): 34491093476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 233, 308, 385, 466, 770, 932, 1165, 1540, 1631, 2330, 2563, 3262, 4660, 5126, 6524, 8155, 10252, 12815, 16310, 17941, 25630, 32620, 35882, 51260, 58991, 71764, 89705, 117982, 179410, 235964, 294955, 358820, 412937, 589910, 648901, 825874, 1179820, 1297802, 1651748, 2064685, 2595604, 3244505, 4129370, 4542307, 6489010, 8258740, 9084614, 12978020, 13744903, 18169228, 22711535, 27489806, 45423070, 54979612, 68724515, 90846140, 96214321, 137449030, 151193933, 192428642, 274898060, 302387866, 384857284, 481071605, 604775732, 755969665, 962143210, 1058357531, 1511939330, 1924286420, 2116715062, 3023878660, 4233430124, 5291787655, 10583575310, 21167150620]

約数ペア:

[(1, 21167150620), (2, 10583575310), (4, 5291787655), (5, 4233430124), (7, 3023878660), (10, 2116715062), (11, 1924286420), (14, 1511939330), (20, 1058357531), (22, 962143210), (28, 755969665), (35, 604775732), (44, 481071605), (55, 384857284), (70, 302387866), (77, 274898060), (110, 192428642), (140, 151193933), (154, 137449030), (220, 96214321), (233, 90846140), (308, 68724515), (385, 54979612), (466, 45423070), (770, 27489806), (932, 22711535), (1165, 18169228), (1540, 13744903), (1631, 12978020), (2330, 9084614), (2563, 8258740), (3262, 6489010), (4660, 4542307), (5126, 4129370), (6524, 3244505), (8155, 2595604), (10252, 2064685), (12815, 1651748), (16310, 1297802), (17941, 1179820), (25630, 825874), (32620, 648901), (35882, 589910), (51260, 412937), (58991, 358820), (71764, 294955), (89705, 235964), (117982, 179410)]