21194360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 54583200

約数和(自身を除く): 33388840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 121, 145, 151, 220, 232, 242, 290, 302, 319, 440, 484, 580, 604, 605, 638, 755, 968, 1160, 1208, 1210, 1276, 1510, 1595, 1661, 2420, 2552, 3020, 3190, 3322, 3509, 4379, 4840, 6040, 6380, 6644, 7018, 8305, 8758, 12760, 13288, 14036, 16610, 17516, 17545, 18271, 21895, 28072, 33220, 35032, 35090, 36542, 43790, 48169, 66440, 70180, 73084, 87580, 91355, 96338, 140360, 146168, 175160, 182710, 192676, 240845, 365420, 385352, 481690, 529859, 730840, 963380, 1059718, 1926760, 2119436, 2649295, 4238872, 5298590, 10597180, 21194360]

約数ペア:

[(1, 21194360), (2, 10597180), (4, 5298590), (5, 4238872), (8, 2649295), (10, 2119436), (11, 1926760), (20, 1059718), (22, 963380), (29, 730840), (40, 529859), (44, 481690), (55, 385352), (58, 365420), (88, 240845), (110, 192676), (116, 182710), (121, 175160), (145, 146168), (151, 140360), (220, 96338), (232, 91355), (242, 87580), (290, 73084), (302, 70180), (319, 66440), (440, 48169), (484, 43790), (580, 36542), (604, 35090), (605, 35032), (638, 33220), (755, 28072), (968, 21895), (1160, 18271), (1208, 17545), (1210, 17516), (1276, 16610), (1510, 14036), (1595, 13288), (1661, 12760), (2420, 8758), (2552, 8305), (3020, 7018), (3190, 6644), (3322, 6380), (3509, 6040), (4379, 4840)]