21376575

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2879}}^1$

素因数の和:2909

約数の個数: 48

約数和(自身を含む): 42854400

約数和(自身を除く): 21477825

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 2879, 7425, 8637, 14395, 25911, 31669, 43185, 71975, 77733, 95007, 129555, 158345, 215925, 285021, 388665, 475035, 647775, 791725, 855063, 1425105, 1943325, 2375175, 4275315, 7125525, 21376575]

約数ペア:

[(1, 21376575), (3, 7125525), (5, 4275315), (9, 2375175), (11, 1943325), (15, 1425105), (25, 855063), (27, 791725), (33, 647775), (45, 475035), (55, 388665), (75, 285021), (99, 215925), (135, 158345), (165, 129555), (225, 95007), (275, 77733), (297, 71975), (495, 43185), (675, 31669), (825, 25911), (1485, 14395), (2475, 8637), (2879, 7425)]