21742650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2543}}^1$

素因数の和:2580

約数の個数: 72

約数和(自身を含む): 61513920

約数和(自身を除く): 39771270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2543, 2850, 4275, 5086, 7629, 8550, 12715, 15258, 22887, 25430, 38145, 45774, 48317, 63575, 76290, 96634, 114435, 127150, 144951, 190725, 228870, 241585, 289902, 381450, 434853, 483170, 572175, 724755, 869706, 1144350, 1207925, 1449510, 2174265, 2415850, 3623775, 4348530, 7247550, 10871325, 21742650]

約数ペア:

[(1, 21742650), (2, 10871325), (3, 7247550), (5, 4348530), (6, 3623775), (9, 2415850), (10, 2174265), (15, 1449510), (18, 1207925), (19, 1144350), (25, 869706), (30, 724755), (38, 572175), (45, 483170), (50, 434853), (57, 381450), (75, 289902), (90, 241585), (95, 228870), (114, 190725), (150, 144951), (171, 127150), (190, 114435), (225, 96634), (285, 76290), (342, 63575), (450, 48317), (475, 45774), (570, 38145), (855, 25430), (950, 22887), (1425, 15258), (1710, 12715), (2543, 8550), (2850, 7629), (4275, 5086)]